Home / 25,616.17-38,430.43-8,085.95

Finding the Fourth Proportional to 25,616.17, 38,430.43 and 8,085.95

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Solution

The fourth proportional to 25,616.17, 38,430.43 and 8,085.95 is: 12,130.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,616.17 : 38,430.43 = 8,085.95 : x
  2. Step 2: Convert to fraction form
    25,616.17/38,430.43 = 8,085.95/x
  3. Step 3: Cross multiply
    25,616.17x = 38,430.43 × 8,085.95
  4. Step 4: Simplify right side
    25,616.17x = 310,746,535.46
  5. Step 5: Solve for x
    x = 310,746,535.46/25,616.17
  6. Step 6: Final answer
    x = 12,130.87

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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.