Home / 18,315.56-25,275.93-10,248.95

Finding the Fourth Proportional to 18,315.56, 25,275.93 and 10,248.95

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Solution

The fourth proportional to 18,315.56, 25,275.93 and 10,248.95 is: 14,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,315.56 : 25,275.93 = 10,248.95 : x
  2. Step 2: Convert to fraction form
    18,315.56/25,275.93 = 10,248.95/x
  3. Step 3: Cross multiply
    18,315.56x = 25,275.93 × 10,248.95
  4. Step 4: Simplify right side
    18,315.56x = 259,051,616.39
  5. Step 5: Solve for x
    x = 259,051,616.39/18,315.56
  6. Step 6: Final answer
    x = 14,143.80

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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.