Home / 36,129.66-54,211.77-12,767.10

Finding the Fourth Proportional to 36,129.66, 54,211.77 and 12,767.10

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Solution

The fourth proportional to 36,129.66, 54,211.77 and 12,767.10 is: 19,156.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,129.66 : 54,211.77 = 12,767.10 : x
  2. Step 2: Convert to fraction form
    36,129.66/54,211.77 = 12,767.10/x
  3. Step 3: Cross multiply
    36,129.66x = 54,211.77 × 12,767.10
  4. Step 4: Simplify right side
    36,129.66x = 692,127,088.77
  5. Step 5: Solve for x
    x = 692,127,088.77/36,129.66
  6. Step 6: Final answer
    x = 19,156.76

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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.