Home / 16,275.20-22,445.64-10,607.76

Finding the Fourth Proportional to 16,275.20, 22,445.64 and 10,607.76

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Solution

The fourth proportional to 16,275.20, 22,445.64 and 10,607.76 is: 14,629.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,275.20 : 22,445.64 = 10,607.76 : x
  2. Step 2: Convert to fraction form
    16,275.20/22,445.64 = 10,607.76/x
  3. Step 3: Cross multiply
    16,275.20x = 22,445.64 × 10,607.76
  4. Step 4: Simplify right side
    16,275.20x = 238,097,962.17
  5. Step 5: Solve for x
    x = 238,097,962.17/16,275.20
  6. Step 6: Final answer
    x = 14,629.50

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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.