Home / 23,369.76-34,875.75-20,876.58

Finding the Fourth Proportional to 23,369.76, 34,875.75 and 20,876.58

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Solution

The fourth proportional to 23,369.76, 34,875.75 and 20,876.58 is: 31,155.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,369.76 : 34,875.75 = 20,876.58 : x
  2. Step 2: Convert to fraction form
    23,369.76/34,875.75 = 20,876.58/x
  3. Step 3: Cross multiply
    23,369.76x = 34,875.75 × 20,876.58
  4. Step 4: Simplify right side
    23,369.76x = 728,086,384.94
  5. Step 5: Solve for x
    x = 728,086,384.94/23,369.76
  6. Step 6: Final answer
    x = 31,155.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.