Home / 25,085.76-37,623.24-10,280.40

Finding the Fourth Proportional to 25,085.76, 37,623.24 and 10,280.40

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Solution

The fourth proportional to 25,085.76, 37,623.24 and 10,280.40 is: 15,418.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,085.76 : 37,623.24 = 10,280.40 : x
  2. Step 2: Convert to fraction form
    25,085.76/37,623.24 = 10,280.40/x
  3. Step 3: Cross multiply
    25,085.76x = 37,623.24 × 10,280.40
  4. Step 4: Simplify right side
    25,085.76x = 386,781,956.50
  5. Step 5: Solve for x
    x = 386,781,956.50/25,085.76
  6. Step 6: Final answer
    x = 15,418.39

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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.