Home / 13,790.04-19,030.76-8,483.88

Finding the Fourth Proportional to 13,790.04, 19,030.76 and 8,483.88

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Solution

The fourth proportional to 13,790.04, 19,030.76 and 8,483.88 is: 11,708.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790.04 : 19,030.76 = 8,483.88 : x
  2. Step 2: Convert to fraction form
    13,790.04/19,030.76 = 8,483.88/x
  3. Step 3: Cross multiply
    13,790.04x = 19,030.76 × 8,483.88
  4. Step 4: Simplify right side
    13,790.04x = 161,454,684.15
  5. Step 5: Solve for x
    x = 161,454,684.15/13,790.04
  6. Step 6: Final answer
    x = 11,708.06

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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.