Home / 18,395.11-25,386.08-10,841.76

Finding the Fourth Proportional to 18,395.11, 25,386.08 and 10,841.76

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Solution

The fourth proportional to 18,395.11, 25,386.08 and 10,841.76 is: 14,962.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395.11 : 25,386.08 = 10,841.76 : x
  2. Step 2: Convert to fraction form
    18,395.11/25,386.08 = 10,841.76/x
  3. Step 3: Cross multiply
    18,395.11x = 25,386.08 × 10,841.76
  4. Step 4: Simplify right side
    18,395.11x = 275,229,752.57
  5. Step 5: Solve for x
    x = 275,229,752.57/18,395.11
  6. Step 6: Final answer
    x = 14,962.12

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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.