Home / 15,256.19-21,052.55-8,541.76

Finding the Fourth Proportional to 15,256.19, 21,052.55 and 8,541.76

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Solution

The fourth proportional to 15,256.19, 21,052.55 and 8,541.76 is: 11,787.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,256.19 : 21,052.55 = 8,541.76 : x
  2. Step 2: Convert to fraction form
    15,256.19/21,052.55 = 8,541.76/x
  3. Step 3: Cross multiply
    15,256.19x = 21,052.55 × 8,541.76
  4. Step 4: Simplify right side
    15,256.19x = 179,825,681.52
  5. Step 5: Solve for x
    x = 179,825,681.52/15,256.19
  6. Step 6: Final answer
    x = 11,787.06

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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.