Home / 13,015.96-19,510.17-4,248.52

Finding the Fourth Proportional to 13,015.96, 19,510.17 and 4,248.52

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Solution

The fourth proportional to 13,015.96, 19,510.17 and 4,248.52 is: 6,368.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.96 : 19,510.17 = 4,248.52 : x
  2. Step 2: Convert to fraction form
    13,015.96/19,510.17 = 4,248.52/x
  3. Step 3: Cross multiply
    13,015.96x = 19,510.17 × 4,248.52
  4. Step 4: Simplify right side
    13,015.96x = 82,889,347.45
  5. Step 5: Solve for x
    x = 82,889,347.45/13,015.96
  6. Step 6: Final answer
    x = 6,368.29

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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.