Home / 25,666.90-38,491.26-15,776.44

Finding the Fourth Proportional to 25,666.90, 38,491.26 and 15,776.44

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Solution

The fourth proportional to 25,666.90, 38,491.26 and 15,776.44 is: 23,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,666.90 : 38,491.26 = 15,776.44 : x
  2. Step 2: Convert to fraction form
    25,666.90/38,491.26 = 15,776.44/x
  3. Step 3: Cross multiply
    25,666.90x = 38,491.26 × 15,776.44
  4. Step 4: Simplify right side
    25,666.90x = 607,255,053.91
  5. Step 5: Solve for x
    x = 607,255,053.91/25,666.90
  6. Step 6: Final answer
    x = 23,659.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.