Home / 26,659.18-36,787.53-15,328.09

Finding the Fourth Proportional to 26,659.18, 36,787.53 and 15,328.09

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Solution

The fourth proportional to 26,659.18, 36,787.53 and 15,328.09 is: 21,151.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,659.18 : 36,787.53 = 15,328.09 : x
  2. Step 2: Convert to fraction form
    26,659.18/36,787.53 = 15,328.09/x
  3. Step 3: Cross multiply
    26,659.18x = 36,787.53 × 15,328.09
  4. Step 4: Simplify right side
    26,659.18x = 563,882,570.72
  5. Step 5: Solve for x
    x = 563,882,570.72/26,659.18
  6. Step 6: Final answer
    x = 21,151.53

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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.