Home / 25,612.04-38,419.26-12,448.72

Finding the Fourth Proportional to 25,612.04, 38,419.26 and 12,448.72

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Solution

The fourth proportional to 25,612.04, 38,419.26 and 12,448.72 is: 18,673.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,612.04 : 38,419.26 = 12,448.72 : x
  2. Step 2: Convert to fraction form
    25,612.04/38,419.26 = 12,448.72/x
  3. Step 3: Cross multiply
    25,612.04x = 38,419.26 × 12,448.72
  4. Step 4: Simplify right side
    25,612.04x = 478,270,610.35
  5. Step 5: Solve for x
    x = 478,270,610.35/25,612.04
  6. Step 6: Final answer
    x = 18,673.66

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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.