Home / 14,720.16-22,080.24-10,357.20

Finding the Fourth Proportional to 14,720.16, 22,080.24 and 10,357.20

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Solution

The fourth proportional to 14,720.16, 22,080.24 and 10,357.20 is: 15,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.16 : 22,080.24 = 10,357.20 : x
  2. Step 2: Convert to fraction form
    14,720.16/22,080.24 = 10,357.20/x
  3. Step 3: Cross multiply
    14,720.16x = 22,080.24 × 10,357.20
  4. Step 4: Simplify right side
    14,720.16x = 228,689,461.73
  5. Step 5: Solve for x
    x = 228,689,461.73/14,720.16
  6. Step 6: Final answer
    x = 15,535.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.