Home / 18,470.58-25,486.43-10,512.95

Finding the Fourth Proportional to 18,470.58, 25,486.43 and 10,512.95

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Solution

The fourth proportional to 18,470.58, 25,486.43 and 10,512.95 is: 14,506.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.58 : 25,486.43 = 10,512.95 : x
  2. Step 2: Convert to fraction form
    18,470.58/25,486.43 = 10,512.95/x
  3. Step 3: Cross multiply
    18,470.58x = 25,486.43 × 10,512.95
  4. Step 4: Simplify right side
    18,470.58x = 267,937,384.27
  5. Step 5: Solve for x
    x = 267,937,384.27/18,470.58
  6. Step 6: Final answer
    x = 14,506.17

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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.