Home / 15,216.61-22,694.77-14,687.55

Finding the Fourth Proportional to 15,216.61, 22,694.77 and 14,687.55

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Solution

The fourth proportional to 15,216.61, 22,694.77 and 14,687.55 is: 21,905.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,216.61 : 22,694.77 = 14,687.55 : x
  2. Step 2: Convert to fraction form
    15,216.61/22,694.77 = 14,687.55/x
  3. Step 3: Cross multiply
    15,216.61x = 22,694.77 × 14,687.55
  4. Step 4: Simplify right side
    15,216.61x = 333,330,569.11
  5. Step 5: Solve for x
    x = 333,330,569.11/15,216.61
  6. Step 6: Final answer
    x = 21,905.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.