Home / 36,507.15-54,760.38-11,547.20

Finding the Fourth Proportional to 36,507.15, 54,760.38 and 11,547.20

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Solution

The fourth proportional to 36,507.15, 54,760.38 and 11,547.20 is: 17,320.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,507.15 : 54,760.38 = 11,547.20 : x
  2. Step 2: Convert to fraction form
    36,507.15/54,760.38 = 11,547.20/x
  3. Step 3: Cross multiply
    36,507.15x = 54,760.38 × 11,547.20
  4. Step 4: Simplify right side
    36,507.15x = 632,328,786.13
  5. Step 5: Solve for x
    x = 632,328,786.13/36,507.15
  6. Step 6: Final answer
    x = 17,320.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.