Home / 14,015.08-21,019.98-5,248.12

Finding the Fourth Proportional to 14,015.08, 21,019.98 and 5,248.12

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Solution

The fourth proportional to 14,015.08, 21,019.98 and 5,248.12 is: 7,871.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.08 : 21,019.98 = 5,248.12 : x
  2. Step 2: Convert to fraction form
    14,015.08/21,019.98 = 5,248.12/x
  3. Step 3: Cross multiply
    14,015.08x = 21,019.98 × 5,248.12
  4. Step 4: Simplify right side
    14,015.08x = 110,315,377.44
  5. Step 5: Solve for x
    x = 110,315,377.44/14,015.08
  6. Step 6: Final answer
    x = 7,871.19

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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.