Home / 16,632-22,955.12-9,921.52

Finding the Fourth Proportional to 16,632, 22,955.12 and 9,921.52

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Solution

The fourth proportional to 16,632, 22,955.12 and 9,921.52 is: 13,693.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,632 : 22,955.12 = 9,921.52 : x
  2. Step 2: Convert to fraction form
    16,632/22,955.12 = 9,921.52/x
  3. Step 3: Cross multiply
    16,632x = 22,955.12 × 9,921.52
  4. Step 4: Simplify right side
    16,632x = 227,749,682.18
  5. Step 5: Solve for x
    x = 227,749,682.18/16,632
  6. Step 6: Final answer
    x = 13,693.46

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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.