Home / 15,416.31-23,117.25-5,554.29

Finding the Fourth Proportional to 15,416.31, 23,117.25 and 5,554.29

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Solution

The fourth proportional to 15,416.31, 23,117.25 and 5,554.29 is: 8,328.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,416.31 : 23,117.25 = 5,554.29 : x
  2. Step 2: Convert to fraction form
    15,416.31/23,117.25 = 5,554.29/x
  3. Step 3: Cross multiply
    15,416.31x = 23,117.25 × 5,554.29
  4. Step 4: Simplify right side
    15,416.31x = 128,399,910.50
  5. Step 5: Solve for x
    x = 128,399,910.50/15,416.31
  6. Step 6: Final answer
    x = 8,328.84

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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.