Home / 15,240.51-22,856.67-5,378.49

Finding the Fourth Proportional to 15,240.51, 22,856.67 and 5,378.49

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Solution

The fourth proportional to 15,240.51, 22,856.67 and 5,378.49 is: 8,066.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.51 : 22,856.67 = 5,378.49 : x
  2. Step 2: Convert to fraction form
    15,240.51/22,856.67 = 5,378.49/x
  3. Step 3: Cross multiply
    15,240.51x = 22,856.67 × 5,378.49
  4. Step 4: Simplify right side
    15,240.51x = 122,934,371.03
  5. Step 5: Solve for x
    x = 122,934,371.03/15,240.51
  6. Step 6: Final answer
    x = 8,066.29

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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.