Home / 53,329.17-79,993.76-13,886.17

Finding the Fourth Proportional to 53,329.17, 79,993.76 and 13,886.17

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Solution

The fourth proportional to 53,329.17, 79,993.76 and 13,886.17 is: 20,829.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,329.17 : 79,993.76 = 13,886.17 : x
  2. Step 2: Convert to fraction form
    53,329.17/79,993.76 = 13,886.17/x
  3. Step 3: Cross multiply
    53,329.17x = 79,993.76 × 13,886.17
  4. Step 4: Simplify right side
    53,329.17x = 1,110,806,950.30
  5. Step 5: Solve for x
    x = 1,110,806,950.30/53,329.17
  6. Step 6: Final answer
    x = 20,829.26

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.