Home / 15,416.60-23,116.80-5,554.40

Finding the Fourth Proportional to 15,416.60, 23,116.80 and 5,554.40

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Solution

The fourth proportional to 15,416.60, 23,116.80 and 5,554.40 is: 8,328.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,416.60 : 23,116.80 = 5,554.40 : x
  2. Step 2: Convert to fraction form
    15,416.60/23,116.80 = 5,554.40/x
  3. Step 3: Cross multiply
    15,416.60x = 23,116.80 × 5,554.40
  4. Step 4: Simplify right side
    15,416.60x = 128,399,953.92
  5. Step 5: Solve for x
    x = 128,399,953.92/15,416.60
  6. Step 6: Final answer
    x = 8,328.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.