Home / 22,927.76-31,638.48-12,854.84

Finding the Fourth Proportional to 22,927.76, 31,638.48 and 12,854.84

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Solution

The fourth proportional to 22,927.76, 31,638.48 and 12,854.84 is: 17,738.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,927.76 : 31,638.48 = 12,854.84 : x
  2. Step 2: Convert to fraction form
    22,927.76/31,638.48 = 12,854.84/x
  3. Step 3: Cross multiply
    22,927.76x = 31,638.48 × 12,854.84
  4. Step 4: Simplify right side
    22,927.76x = 406,707,598.24
  5. Step 5: Solve for x
    x = 406,707,598.24/22,927.76
  6. Step 6: Final answer
    x = 17,738.65

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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.