Home / 25,663.54-35,304.68-20,937.46

Finding the Fourth Proportional to 25,663.54, 35,304.68 and 20,937.46

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Solution

The fourth proportional to 25,663.54, 35,304.68 and 20,937.46 is: 28,803.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,663.54 : 35,304.68 = 20,937.46 : x
  2. Step 2: Convert to fraction form
    25,663.54/35,304.68 = 20,937.46/x
  3. Step 3: Cross multiply
    25,663.54x = 35,304.68 × 20,937.46
  4. Step 4: Simplify right side
    25,663.54x = 739,190,325.31
  5. Step 5: Solve for x
    x = 739,190,325.31/25,663.54
  6. Step 6: Final answer
    x = 28,803.13

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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.