Home / 22,129.36-30,538.16-12,057.93

Finding the Fourth Proportional to 22,129.36, 30,538.16 and 12,057.93

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Solution

The fourth proportional to 22,129.36, 30,538.16 and 12,057.93 is: 16,639.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,129.36 : 30,538.16 = 12,057.93 : x
  2. Step 2: Convert to fraction form
    22,129.36/30,538.16 = 12,057.93/x
  3. Step 3: Cross multiply
    22,129.36x = 30,538.16 × 12,057.93
  4. Step 4: Simplify right side
    22,129.36x = 368,226,995.61
  5. Step 5: Solve for x
    x = 368,226,995.61/22,129.36
  6. Step 6: Final answer
    x = 16,639.75

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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.