Home / 22,903.08-31,608.10-12,833.76

Finding the Fourth Proportional to 22,903.08, 31,608.10 and 12,833.76

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Solution

The fourth proportional to 22,903.08, 31,608.10 and 12,833.76 is: 17,711.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,903.08 : 31,608.10 = 12,833.76 : x
  2. Step 2: Convert to fraction form
    22,903.08/31,608.10 = 12,833.76/x
  3. Step 3: Cross multiply
    22,903.08x = 31,608.10 × 12,833.76
  4. Step 4: Simplify right side
    22,903.08x = 405,650,769.46
  5. Step 5: Solve for x
    x = 405,650,769.46/22,903.08
  6. Step 6: Final answer
    x = 17,711.63

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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.