Home / 18,641.13-25,724.75-10,257.63

Finding the Fourth Proportional to 18,641.13, 25,724.75 and 10,257.63

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Solution

The fourth proportional to 18,641.13, 25,724.75 and 10,257.63 is: 14,155.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,641.13 : 25,724.75 = 10,257.63 : x
  2. Step 2: Convert to fraction form
    18,641.13/25,724.75 = 10,257.63/x
  3. Step 3: Cross multiply
    18,641.13x = 25,724.75 × 10,257.63
  4. Step 4: Simplify right side
    18,641.13x = 263,874,967.34
  5. Step 5: Solve for x
    x = 263,874,967.34/18,641.13
  6. Step 6: Final answer
    x = 14,155.52

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Double scale
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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.