Home / 18,442.16-25,452.40-10,486.88

Finding the Fourth Proportional to 18,442.16, 25,452.40 and 10,486.88

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Solution

The fourth proportional to 18,442.16, 25,452.40 and 10,486.88 is: 14,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442.16 : 25,452.40 = 10,486.88 : x
  2. Step 2: Convert to fraction form
    18,442.16/25,452.40 = 10,486.88/x
  3. Step 3: Cross multiply
    18,442.16x = 25,452.40 × 10,486.88
  4. Step 4: Simplify right side
    18,442.16x = 266,916,264.51
  5. Step 5: Solve for x
    x = 266,916,264.51/18,442.16
  6. Step 6: Final answer
    x = 14,473.16

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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.