Home / 25,172.61-37,765.08-12,528.30

Finding the Fourth Proportional to 25,172.61, 37,765.08 and 12,528.30

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Solution

The fourth proportional to 25,172.61, 37,765.08 and 12,528.30 is: 18,795.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,172.61 : 37,765.08 = 12,528.30 : x
  2. Step 2: Convert to fraction form
    25,172.61/37,765.08 = 12,528.30/x
  3. Step 3: Cross multiply
    25,172.61x = 37,765.08 × 12,528.30
  4. Step 4: Simplify right side
    25,172.61x = 473,132,251.76
  5. Step 5: Solve for x
    x = 473,132,251.76/25,172.61
  6. Step 6: Final answer
    x = 18,795.52

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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.