Home / 22,715.66-31,345.44-16,750.56

Finding the Fourth Proportional to 22,715.66, 31,345.44 and 16,750.56

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Solution

The fourth proportional to 22,715.66, 31,345.44 and 16,750.56 is: 23,114.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,715.66 : 31,345.44 = 16,750.56 : x
  2. Step 2: Convert to fraction form
    22,715.66/31,345.44 = 16,750.56/x
  3. Step 3: Cross multiply
    22,715.66x = 31,345.44 × 16,750.56
  4. Step 4: Simplify right side
    22,715.66x = 525,053,673.45
  5. Step 5: Solve for x
    x = 525,053,673.45/22,715.66
  6. Step 6: Final answer
    x = 23,114.17

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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.