Home / 18,775.16-25,882.12-14,291.10

Finding the Fourth Proportional to 18,775.16, 25,882.12 and 14,291.10

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Solution

The fourth proportional to 18,775.16, 25,882.12 and 14,291.10 is: 19,700.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,775.16 : 25,882.12 = 14,291.10 : x
  2. Step 2: Convert to fraction form
    18,775.16/25,882.12 = 14,291.10/x
  3. Step 3: Cross multiply
    18,775.16x = 25,882.12 × 14,291.10
  4. Step 4: Simplify right side
    18,775.16x = 369,883,965.13
  5. Step 5: Solve for x
    x = 369,883,965.13/18,775.16
  6. Step 6: Final answer
    x = 19,700.71

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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.