Home / 25,381.48-35,023.38-14,769.40

Finding the Fourth Proportional to 25,381.48, 35,023.38 and 14,769.40

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Solution

The fourth proportional to 25,381.48, 35,023.38 and 14,769.40 is: 20,379.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,381.48 : 35,023.38 = 14,769.40 : x
  2. Step 2: Convert to fraction form
    25,381.48/35,023.38 = 14,769.40/x
  3. Step 3: Cross multiply
    25,381.48x = 35,023.38 × 14,769.40
  4. Step 4: Simplify right side
    25,381.48x = 517,274,308.57
  5. Step 5: Solve for x
    x = 517,274,308.57/25,381.48
  6. Step 6: Final answer
    x = 20,379.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.