Home / 20,030.59-27,611.54-14,987.17

Finding the Fourth Proportional to 20,030.59, 27,611.54 and 14,987.17

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Solution

The fourth proportional to 20,030.59, 27,611.54 and 14,987.17 is: 20,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.59 : 27,611.54 = 14,987.17 : x
  2. Step 2: Convert to fraction form
    20,030.59/27,611.54 = 14,987.17/x
  3. Step 3: Cross multiply
    20,030.59x = 27,611.54 × 14,987.17
  4. Step 4: Simplify right side
    20,030.59x = 413,818,769.01
  5. Step 5: Solve for x
    x = 413,818,769.01/20,030.59
  6. Step 6: Final answer
    x = 20,659.34

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.