Home / 13,223.92-19,822.92-5,437.12

Finding the Fourth Proportional to 13,223.92, 19,822.92 and 5,437.12

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Solution

The fourth proportional to 13,223.92, 19,822.92 and 5,437.12 is: 8,150.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.92 : 19,822.92 = 5,437.12 : x
  2. Step 2: Convert to fraction form
    13,223.92/19,822.92 = 5,437.12/x
  3. Step 3: Cross multiply
    13,223.92x = 19,822.92 × 5,437.12
  4. Step 4: Simplify right side
    13,223.92x = 107,779,594.79
  5. Step 5: Solve for x
    x = 107,779,594.79/13,223.92
  6. Step 6: Final answer
    x = 8,150.35

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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.