Home / 22,795.28-31,457.76-13,235.36

Finding the Fourth Proportional to 22,795.28, 31,457.76 and 13,235.36

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Solution

The fourth proportional to 22,795.28, 31,457.76 and 13,235.36 is: 18,264.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,795.28 : 31,457.76 = 13,235.36 : x
  2. Step 2: Convert to fraction form
    22,795.28/31,457.76 = 13,235.36/x
  3. Step 3: Cross multiply
    22,795.28x = 31,457.76 × 13,235.36
  4. Step 4: Simplify right side
    22,795.28x = 416,354,778.39
  5. Step 5: Solve for x
    x = 416,354,778.39/22,795.28
  6. Step 6: Final answer
    x = 18,264.96

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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.