Home / 25,401.08-35,057.51-15,330.96

Finding the Fourth Proportional to 25,401.08, 35,057.51 and 15,330.96

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Solution

The fourth proportional to 25,401.08, 35,057.51 and 15,330.96 is: 21,159.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,401.08 : 35,057.51 = 15,330.96 : x
  2. Step 2: Convert to fraction form
    25,401.08/35,057.51 = 15,330.96/x
  3. Step 3: Cross multiply
    25,401.08x = 35,057.51 × 15,330.96
  4. Step 4: Simplify right side
    25,401.08x = 537,465,283.51
  5. Step 5: Solve for x
    x = 537,465,283.51/25,401.08
  6. Step 6: Final answer
    x = 21,159.15

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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.