Home / 25,980.88-35,853.96-15,370.24

Finding the Fourth Proportional to 25,980.88, 35,853.96 and 15,370.24

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Solution

The fourth proportional to 25,980.88, 35,853.96 and 15,370.24 is: 21,211.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,980.88 : 35,853.96 = 15,370.24 : x
  2. Step 2: Convert to fraction form
    25,980.88/35,853.96 = 15,370.24/x
  3. Step 3: Cross multiply
    25,980.88x = 35,853.96 × 15,370.24
  4. Step 4: Simplify right side
    25,980.88x = 551,083,970.15
  5. Step 5: Solve for x
    x = 551,083,970.15/25,980.88
  6. Step 6: Final answer
    x = 21,211.14

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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.