Home / 25,347.60-37,988.19-12,173.76

Finding the Fourth Proportional to 25,347.60, 37,988.19 and 12,173.76

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Solution

The fourth proportional to 25,347.60, 37,988.19 and 12,173.76 is: 18,244.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,347.60 : 37,988.19 = 12,173.76 : x
  2. Step 2: Convert to fraction form
    25,347.60/37,988.19 = 12,173.76/x
  3. Step 3: Cross multiply
    25,347.60x = 37,988.19 × 12,173.76
  4. Step 4: Simplify right side
    25,347.60x = 462,459,107.89
  5. Step 5: Solve for x
    x = 462,459,107.89/25,347.60
  6. Step 6: Final answer
    x = 18,244.69

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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.