Home / 22,869.45-31,559.76-12,797.91

Finding the Fourth Proportional to 22,869.45, 31,559.76 and 12,797.91

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Solution

The fourth proportional to 22,869.45, 31,559.76 and 12,797.91 is: 17,661.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,869.45 : 31,559.76 = 12,797.91 : x
  2. Step 2: Convert to fraction form
    22,869.45/31,559.76 = 12,797.91/x
  3. Step 3: Cross multiply
    22,869.45x = 31,559.76 × 12,797.91
  4. Step 4: Simplify right side
    22,869.45x = 403,898,968.10
  5. Step 5: Solve for x
    x = 403,898,968.10/22,869.45
  6. Step 6: Final answer
    x = 17,661.07

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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.