Home / 25,690.48-35,456.92-15,622.08

Finding the Fourth Proportional to 25,690.48, 35,456.92 and 15,622.08

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Solution

The fourth proportional to 25,690.48, 35,456.92 and 15,622.08 is: 21,560.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,690.48 : 35,456.92 = 15,622.08 : x
  2. Step 2: Convert to fraction form
    25,690.48/35,456.92 = 15,622.08/x
  3. Step 3: Cross multiply
    25,690.48x = 35,456.92 × 15,622.08
  4. Step 4: Simplify right side
    25,690.48x = 553,910,840.79
  5. Step 5: Solve for x
    x = 553,910,840.79/25,690.48
  6. Step 6: Final answer
    x = 21,560.94

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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.