Home / 32,400.64-44,712.24-18,253.20

Finding the Fourth Proportional to 32,400.64, 44,712.24 and 18,253.20

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Solution

The fourth proportional to 32,400.64, 44,712.24 and 18,253.20 is: 25,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,400.64 : 44,712.24 = 18,253.20 : x
  2. Step 2: Convert to fraction form
    32,400.64/44,712.24 = 18,253.20/x
  3. Step 3: Cross multiply
    32,400.64x = 44,712.24 × 18,253.20
  4. Step 4: Simplify right side
    32,400.64x = 816,141,459.17
  5. Step 5: Solve for x
    x = 816,141,459.17/32,400.64
  6. Step 6: Final answer
    x = 25,189.05

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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.