Home / 18,395.04-25,385.12-10,011.52

Finding the Fourth Proportional to 18,395.04, 25,385.12 and 10,011.52

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Solution

The fourth proportional to 18,395.04, 25,385.12 and 10,011.52 is: 13,815.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395.04 : 25,385.12 = 10,011.52 : x
  2. Step 2: Convert to fraction form
    18,395.04/25,385.12 = 10,011.52/x
  3. Step 3: Cross multiply
    18,395.04x = 25,385.12 × 10,011.52
  4. Step 4: Simplify right side
    18,395.04x = 254,143,636.58
  5. Step 5: Solve for x
    x = 254,143,636.58/18,395.04
  6. Step 6: Final answer
    x = 13,815.88

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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.