Home / 18,732.08-25,814.76-13,417.76

Finding the Fourth Proportional to 18,732.08, 25,814.76 and 13,417.76

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Solution

The fourth proportional to 18,732.08, 25,814.76 and 13,417.76 is: 18,491.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732.08 : 25,814.76 = 13,417.76 : x
  2. Step 2: Convert to fraction form
    18,732.08/25,814.76 = 13,417.76/x
  3. Step 3: Cross multiply
    18,732.08x = 25,814.76 × 13,417.76
  4. Step 4: Simplify right side
    18,732.08x = 346,376,254.14
  5. Step 5: Solve for x
    x = 346,376,254.14/18,732.08
  6. Step 6: Final answer
    x = 18,491.07

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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.