Home / 16,315.02-22,569.84-15,724.53

Finding the Fourth Proportional to 16,315.02, 22,569.84 and 15,724.53

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Solution

The fourth proportional to 16,315.02, 22,569.84 and 15,724.53 is: 21,752.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,315.02 : 22,569.84 = 15,724.53 : x
  2. Step 2: Convert to fraction form
    16,315.02/22,569.84 = 15,724.53/x
  3. Step 3: Cross multiply
    16,315.02x = 22,569.84 × 15,724.53
  4. Step 4: Simplify right side
    16,315.02x = 354,900,126.18
  5. Step 5: Solve for x
    x = 354,900,126.18/16,315.02
  6. Step 6: Final answer
    x = 21,752.97

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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.