Home / 25,236.87-34,840.86-15,167.76

Finding the Fourth Proportional to 25,236.87, 34,840.86 and 15,167.76

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Solution

The fourth proportional to 25,236.87, 34,840.86 and 15,167.76 is: 20,939.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,236.87 : 34,840.86 = 15,167.76 : x
  2. Step 2: Convert to fraction form
    25,236.87/34,840.86 = 15,167.76/x
  3. Step 3: Cross multiply
    25,236.87x = 34,840.86 × 15,167.76
  4. Step 4: Simplify right side
    25,236.87x = 528,457,802.67
  5. Step 5: Solve for x
    x = 528,457,802.67/25,236.87
  6. Step 6: Final answer
    x = 20,939.91

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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.