Home / 15,602.52-21,531.51-9,632.82

Finding the Fourth Proportional to 15,602.52, 21,531.51 and 9,632.82

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Solution

The fourth proportional to 15,602.52, 21,531.51 and 9,632.82 is: 13,293.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.52 : 21,531.51 = 9,632.82 : x
  2. Step 2: Convert to fraction form
    15,602.52/21,531.51 = 9,632.82/x
  3. Step 3: Cross multiply
    15,602.52x = 21,531.51 × 9,632.82
  4. Step 4: Simplify right side
    15,602.52x = 207,409,160.16
  5. Step 5: Solve for x
    x = 207,409,160.16/15,602.52
  6. Step 6: Final answer
    x = 13,293.31

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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.