Home / 12,828.78-19,232.24-5,032.13

Finding the Fourth Proportional to 12,828.78, 19,232.24 and 5,032.13

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Solution

The fourth proportional to 12,828.78, 19,232.24 and 5,032.13 is: 7,543.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828.78 : 19,232.24 = 5,032.13 : x
  2. Step 2: Convert to fraction form
    12,828.78/19,232.24 = 5,032.13/x
  3. Step 3: Cross multiply
    12,828.78x = 19,232.24 × 5,032.13
  4. Step 4: Simplify right side
    12,828.78x = 96,779,010.55
  5. Step 5: Solve for x
    x = 96,779,010.55/12,828.78
  6. Step 6: Final answer
    x = 7,543.90

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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.