Home / 16,353.12-22,560-12,569.52

Finding the Fourth Proportional to 16,353.12, 22,560 and 12,569.52

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Solution

The fourth proportional to 16,353.12, 22,560 and 12,569.52 is: 17,340.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,353.12 : 22,560 = 12,569.52 : x
  2. Step 2: Convert to fraction form
    16,353.12/22,560 = 12,569.52/x
  3. Step 3: Cross multiply
    16,353.12x = 22,560 × 12,569.52
  4. Step 4: Simplify right side
    16,353.12x = 283,568,371.20
  5. Step 5: Solve for x
    x = 283,568,371.20/16,353.12
  6. Step 6: Final answer
    x = 17,340.32

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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.