Home / 26,412.48-36,411.12-20,113.92

Finding the Fourth Proportional to 26,412.48, 36,411.12 and 20,113.92

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Solution

The fourth proportional to 26,412.48, 36,411.12 and 20,113.92 is: 27,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,412.48 : 36,411.12 = 20,113.92 : x
  2. Step 2: Convert to fraction form
    26,412.48/36,411.12 = 20,113.92/x
  3. Step 3: Cross multiply
    26,412.48x = 36,411.12 × 20,113.92
  4. Step 4: Simplify right side
    26,412.48x = 732,370,354.79
  5. Step 5: Solve for x
    x = 732,370,354.79/26,412.48
  6. Step 6: Final answer
    x = 27,728.19

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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.