Home / 25,410.55-37,970.21-19,373.42

Finding the Fourth Proportional to 25,410.55, 37,970.21 and 19,373.42

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Solution

The fourth proportional to 25,410.55, 37,970.21 and 19,373.42 is: 28,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,410.55 : 37,970.21 = 19,373.42 : x
  2. Step 2: Convert to fraction form
    25,410.55/37,970.21 = 19,373.42/x
  3. Step 3: Cross multiply
    25,410.55x = 37,970.21 × 19,373.42
  4. Step 4: Simplify right side
    25,410.55x = 735,612,635.97
  5. Step 5: Solve for x
    x = 735,612,635.97/25,410.55
  6. Step 6: Final answer
    x = 28,949.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.