Home / 23,398.74-32,305.35-20,876.48

Finding the Fourth Proportional to 23,398.74, 32,305.35 and 20,876.48

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Solution

The fourth proportional to 23,398.74, 32,305.35 and 20,876.48 is: 28,822.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,398.74 : 32,305.35 = 20,876.48 : x
  2. Step 2: Convert to fraction form
    23,398.74/32,305.35 = 20,876.48/x
  3. Step 3: Cross multiply
    23,398.74x = 32,305.35 × 20,876.48
  4. Step 4: Simplify right side
    23,398.74x = 674,421,764.07
  5. Step 5: Solve for x
    x = 674,421,764.07/23,398.74
  6. Step 6: Final answer
    x = 28,822.99

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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.