Home / 22,373.76-30,875.13-12,813.33

Finding the Fourth Proportional to 22,373.76, 30,875.13 and 12,813.33

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Solution

The fourth proportional to 22,373.76, 30,875.13 and 12,813.33 is: 17,682.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,373.76 : 30,875.13 = 12,813.33 : x
  2. Step 2: Convert to fraction form
    22,373.76/30,875.13 = 12,813.33/x
  3. Step 3: Cross multiply
    22,373.76x = 30,875.13 × 12,813.33
  4. Step 4: Simplify right side
    22,373.76x = 395,613,229.48
  5. Step 5: Solve for x
    x = 395,613,229.48/22,373.76
  6. Step 6: Final answer
    x = 17,682.02

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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.