Home / 23,459.47-32,366.04-13,380.64

Finding the Fourth Proportional to 23,459.47, 32,366.04 and 13,380.64

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Solution

The fourth proportional to 23,459.47, 32,366.04 and 13,380.64 is: 18,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,459.47 : 32,366.04 = 13,380.64 : x
  2. Step 2: Convert to fraction form
    23,459.47/32,366.04 = 13,380.64/x
  3. Step 3: Cross multiply
    23,459.47x = 32,366.04 × 13,380.64
  4. Step 4: Simplify right side
    23,459.47x = 433,078,329.47
  5. Step 5: Solve for x
    x = 433,078,329.47/23,459.47
  6. Step 6: Final answer
    x = 18,460.70

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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.