Home / 25,876.89-35,703.76-15,801.66

Finding the Fourth Proportional to 25,876.89, 35,703.76 and 15,801.66

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Solution

The fourth proportional to 25,876.89, 35,703.76 and 15,801.66 is: 21,802.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,876.89 : 35,703.76 = 15,801.66 : x
  2. Step 2: Convert to fraction form
    25,876.89/35,703.76 = 15,801.66/x
  3. Step 3: Cross multiply
    25,876.89x = 35,703.76 × 15,801.66
  4. Step 4: Simplify right side
    25,876.89x = 564,178,676.24
  5. Step 5: Solve for x
    x = 564,178,676.24/25,876.89
  6. Step 6: Final answer
    x = 21,802.41

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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.