Home / 25,852.52-38,811.59-21,981.53

Finding the Fourth Proportional to 25,852.52, 38,811.59 and 21,981.53

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Solution

The fourth proportional to 25,852.52, 38,811.59 and 21,981.53 is: 33,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,852.52 : 38,811.59 = 21,981.53 : x
  2. Step 2: Convert to fraction form
    25,852.52/38,811.59 = 21,981.53/x
  3. Step 3: Cross multiply
    25,852.52x = 38,811.59 × 21,981.53
  4. Step 4: Simplify right side
    25,852.52x = 853,138,129.93
  5. Step 5: Solve for x
    x = 853,138,129.93/25,852.52
  6. Step 6: Final answer
    x = 33,000.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.