Home / 25,719.24-38,547.03-15,178.57

Finding the Fourth Proportional to 25,719.24, 38,547.03 and 15,178.57

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Solution

The fourth proportional to 25,719.24, 38,547.03 and 15,178.57 is: 22,749.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.24 : 38,547.03 = 15,178.57 : x
  2. Step 2: Convert to fraction form
    25,719.24/38,547.03 = 15,178.57/x
  3. Step 3: Cross multiply
    25,719.24x = 38,547.03 × 15,178.57
  4. Step 4: Simplify right side
    25,719.24x = 585,088,793.15
  5. Step 5: Solve for x
    x = 585,088,793.15/25,719.24
  6. Step 6: Final answer
    x = 22,749.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.