Home / 25,327.85-37,987.88-8,461.17

Finding the Fourth Proportional to 25,327.85, 37,987.88 and 8,461.17

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Solution

The fourth proportional to 25,327.85, 37,987.88 and 8,461.17 is: 12,690.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,327.85 : 37,987.88 = 8,461.17 : x
  2. Step 2: Convert to fraction form
    25,327.85/37,987.88 = 8,461.17/x
  3. Step 3: Cross multiply
    25,327.85x = 37,987.88 × 8,461.17
  4. Step 4: Simplify right side
    25,327.85x = 321,421,868.31
  5. Step 5: Solve for x
    x = 321,421,868.31/25,327.85
  6. Step 6: Final answer
    x = 12,690.45

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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.