Home / 25,638.42-35,370.51-15,565.26

Finding the Fourth Proportional to 25,638.42, 35,370.51 and 15,565.26

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Solution

The fourth proportional to 25,638.42, 35,370.51 and 15,565.26 is: 21,473.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,638.42 : 35,370.51 = 15,565.26 : x
  2. Step 2: Convert to fraction form
    25,638.42/35,370.51 = 15,565.26/x
  3. Step 3: Cross multiply
    25,638.42x = 35,370.51 × 15,565.26
  4. Step 4: Simplify right side
    25,638.42x = 550,551,258.75
  5. Step 5: Solve for x
    x = 550,551,258.75/25,638.42
  6. Step 6: Final answer
    x = 21,473.68

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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.