Home / 13,569.74-18,715.71-9,092.06

Finding the Fourth Proportional to 13,569.74, 18,715.71 and 9,092.06

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Solution

The fourth proportional to 13,569.74, 18,715.71 and 9,092.06 is: 12,539.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.74 : 18,715.71 = 9,092.06 : x
  2. Step 2: Convert to fraction form
    13,569.74/18,715.71 = 9,092.06/x
  3. Step 3: Cross multiply
    13,569.74x = 18,715.71 × 9,092.06
  4. Step 4: Simplify right side
    13,569.74x = 170,164,358.26
  5. Step 5: Solve for x
    x = 170,164,358.26/13,569.74
  6. Step 6: Final answer
    x = 12,539.99

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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.