Home / 15,398.40-23,083.74-5,535.36

Finding the Fourth Proportional to 15,398.40, 23,083.74 and 5,535.36

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Solution

The fourth proportional to 15,398.40, 23,083.74 and 5,535.36 is: 8,298.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,398.40 : 23,083.74 = 5,535.36 : x
  2. Step 2: Convert to fraction form
    15,398.40/23,083.74 = 5,535.36/x
  3. Step 3: Cross multiply
    15,398.40x = 23,083.74 × 5,535.36
  4. Step 4: Simplify right side
    15,398.40x = 127,776,811.05
  5. Step 5: Solve for x
    x = 127,776,811.05/15,398.40
  6. Step 6: Final answer
    x = 8,298.06

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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.