Home / 18,414.36-25,411.86-10,030.68

Finding the Fourth Proportional to 18,414.36, 25,411.86 and 10,030.68

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Solution

The fourth proportional to 18,414.36, 25,411.86 and 10,030.68 is: 13,842.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.36 : 25,411.86 = 10,030.68 : x
  2. Step 2: Convert to fraction form
    18,414.36/25,411.86 = 10,030.68/x
  3. Step 3: Cross multiply
    18,414.36x = 25,411.86 × 10,030.68
  4. Step 4: Simplify right side
    18,414.36x = 254,898,235.86
  5. Step 5: Solve for x
    x = 254,898,235.86/18,414.36
  6. Step 6: Final answer
    x = 13,842.36

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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.