Home / 18,012.48-24,856.19-10,055.21

Finding the Fourth Proportional to 18,012.48, 24,856.19 and 10,055.21

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Solution

The fourth proportional to 18,012.48, 24,856.19 and 10,055.21 is: 13,875.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012.48 : 24,856.19 = 10,055.21 : x
  2. Step 2: Convert to fraction form
    18,012.48/24,856.19 = 10,055.21/x
  3. Step 3: Cross multiply
    18,012.48x = 24,856.19 × 10,055.21
  4. Step 4: Simplify right side
    18,012.48x = 249,934,120.01
  5. Step 5: Solve for x
    x = 249,934,120.01/18,012.48
  6. Step 6: Final answer
    x = 13,875.61

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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.