Home / 25,917.60-38,876.40-17,623.20

Finding the Fourth Proportional to 25,917.60, 38,876.40 and 17,623.20

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Solution

The fourth proportional to 25,917.60, 38,876.40 and 17,623.20 is: 26,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,917.60 : 38,876.40 = 17,623.20 : x
  2. Step 2: Convert to fraction form
    25,917.60/38,876.40 = 17,623.20/x
  3. Step 3: Cross multiply
    25,917.60x = 38,876.40 × 17,623.20
  4. Step 4: Simplify right side
    25,917.60x = 685,126,572.48
  5. Step 5: Solve for x
    x = 685,126,572.48/25,917.60
  6. Step 6: Final answer
    x = 26,434.80

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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.