Home / 18,464.67-25,480.65-10,398.72

Finding the Fourth Proportional to 18,464.67, 25,480.65 and 10,398.72

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Solution

The fourth proportional to 18,464.67, 25,480.65 and 10,398.72 is: 14,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,464.67 : 25,480.65 = 10,398.72 : x
  2. Step 2: Convert to fraction form
    18,464.67/25,480.65 = 10,398.72/x
  3. Step 3: Cross multiply
    18,464.67x = 25,480.65 × 10,398.72
  4. Step 4: Simplify right side
    18,464.67x = 264,966,144.77
  5. Step 5: Solve for x
    x = 264,966,144.77/18,464.67
  6. Step 6: Final answer
    x = 14,349.90

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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.