Home / 25,667.78-38,501.50-10,470.29

Finding the Fourth Proportional to 25,667.78, 38,501.50 and 10,470.29

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Solution

The fourth proportional to 25,667.78, 38,501.50 and 10,470.29 is: 15,705.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,667.78 : 38,501.50 = 10,470.29 : x
  2. Step 2: Convert to fraction form
    25,667.78/38,501.50 = 10,470.29/x
  3. Step 3: Cross multiply
    25,667.78x = 38,501.50 × 10,470.29
  4. Step 4: Simplify right side
    25,667.78x = 403,121,651.75
  5. Step 5: Solve for x
    x = 403,121,651.75/25,667.78
  6. Step 6: Final answer
    x = 15,705.36

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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.