Home / 25,597.88-35,293.20-21,355.10

Finding the Fourth Proportional to 25,597.88, 35,293.20 and 21,355.10

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Solution

The fourth proportional to 25,597.88, 35,293.20 and 21,355.10 is: 29,443.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,597.88 : 35,293.20 = 21,355.10 : x
  2. Step 2: Convert to fraction form
    25,597.88/35,293.20 = 21,355.10/x
  3. Step 3: Cross multiply
    25,597.88x = 35,293.20 × 21,355.10
  4. Step 4: Simplify right side
    25,597.88x = 753,689,815.32
  5. Step 5: Solve for x
    x = 753,689,815.32/25,597.88
  6. Step 6: Final answer
    x = 29,443.45

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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.