Home / 22,937.85-31,655.75-12,866.99

Finding the Fourth Proportional to 22,937.85, 31,655.75 and 12,866.99

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Solution

The fourth proportional to 22,937.85, 31,655.75 and 12,866.99 is: 17,757.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,937.85 : 31,655.75 = 12,866.99 : x
  2. Step 2: Convert to fraction form
    22,937.85/31,655.75 = 12,866.99/x
  3. Step 3: Cross multiply
    22,937.85x = 31,655.75 × 12,866.99
  4. Step 4: Simplify right side
    22,937.85x = 407,313,996.08
  5. Step 5: Solve for x
    x = 407,313,996.08/22,937.85
  6. Step 6: Final answer
    x = 17,757.29

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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.