Home / 18,248.32-25,182.60-9,864.80

Finding the Fourth Proportional to 18,248.32, 25,182.60 and 9,864.80

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Solution

The fourth proportional to 18,248.32, 25,182.60 and 9,864.80 is: 13,613.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.32 : 25,182.60 = 9,864.80 : x
  2. Step 2: Convert to fraction form
    18,248.32/25,182.60 = 9,864.80/x
  3. Step 3: Cross multiply
    18,248.32x = 25,182.60 × 9,864.80
  4. Step 4: Simplify right side
    18,248.32x = 248,421,312.48
  5. Step 5: Solve for x
    x = 248,421,312.48/18,248.32
  6. Step 6: Final answer
    x = 13,613.38

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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.