Home / 22,681.10-31,300.44-12,609.16

Finding the Fourth Proportional to 22,681.10, 31,300.44 and 12,609.16

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Solution

The fourth proportional to 22,681.10, 31,300.44 and 12,609.16 is: 17,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,681.10 : 31,300.44 = 12,609.16 : x
  2. Step 2: Convert to fraction form
    22,681.10/31,300.44 = 12,609.16/x
  3. Step 3: Cross multiply
    22,681.10x = 31,300.44 × 12,609.16
  4. Step 4: Simplify right side
    22,681.10x = 394,672,256.03
  5. Step 5: Solve for x
    x = 394,672,256.03/22,681.10
  6. Step 6: Final answer
    x = 17,400.93

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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.