Home / 14,582.16-20,132.28-9,000.72

Finding the Fourth Proportional to 14,582.16, 20,132.28 and 9,000.72

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Solution

The fourth proportional to 14,582.16, 20,132.28 and 9,000.72 is: 12,426.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,582.16 : 20,132.28 = 9,000.72 : x
  2. Step 2: Convert to fraction form
    14,582.16/20,132.28 = 9,000.72/x
  3. Step 3: Cross multiply
    14,582.16x = 20,132.28 × 9,000.72
  4. Step 4: Simplify right side
    14,582.16x = 181,205,015.24
  5. Step 5: Solve for x
    x = 181,205,015.24/14,582.16
  6. Step 6: Final answer
    x = 12,426.49

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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.