Home / 22,010.16-30,369.12-13,053.12

Finding the Fourth Proportional to 22,010.16, 30,369.12 and 13,053.12

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Solution

The fourth proportional to 22,010.16, 30,369.12 and 13,053.12 is: 18,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,010.16 : 30,369.12 = 13,053.12 : x
  2. Step 2: Convert to fraction form
    22,010.16/30,369.12 = 13,053.12/x
  3. Step 3: Cross multiply
    22,010.16x = 30,369.12 × 13,053.12
  4. Step 4: Simplify right side
    22,010.16x = 396,411,767.65
  5. Step 5: Solve for x
    x = 396,411,767.65/22,010.16
  6. Step 6: Final answer
    x = 18,010.40

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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.