Home / 22,632.11-31,231.88-12,560.67

Finding the Fourth Proportional to 22,632.11, 31,231.88 and 12,560.67

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Solution

The fourth proportional to 22,632.11, 31,231.88 and 12,560.67 is: 17,333.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,632.11 : 31,231.88 = 12,560.67 : x
  2. Step 2: Convert to fraction form
    22,632.11/31,231.88 = 12,560.67/x
  3. Step 3: Cross multiply
    22,632.11x = 31,231.88 × 12,560.67
  4. Step 4: Simplify right side
    22,632.11x = 392,293,322.46
  5. Step 5: Solve for x
    x = 392,293,322.46/22,632.11
  6. Step 6: Final answer
    x = 17,333.49

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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.