Home / 18,818.50-25,969.13-10,752.52

Finding the Fourth Proportional to 18,818.50, 25,969.13 and 10,752.52

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Solution

The fourth proportional to 18,818.50, 25,969.13 and 10,752.52 is: 14,838.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,818.50 : 25,969.13 = 10,752.52 : x
  2. Step 2: Convert to fraction form
    18,818.50/25,969.13 = 10,752.52/x
  3. Step 3: Cross multiply
    18,818.50x = 25,969.13 × 10,752.52
  4. Step 4: Simplify right side
    18,818.50x = 279,233,589.71
  5. Step 5: Solve for x
    x = 279,233,589.71/18,818.50
  6. Step 6: Final answer
    x = 14,838.25

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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.