Home / 15,416.04-23,120.10-7,518.72

Finding the Fourth Proportional to 15,416.04, 23,120.10 and 7,518.72

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Solution

The fourth proportional to 15,416.04, 23,120.10 and 7,518.72 is: 11,276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,416.04 : 23,120.10 = 7,518.72 : x
  2. Step 2: Convert to fraction form
    15,416.04/23,120.10 = 7,518.72/x
  3. Step 3: Cross multiply
    15,416.04x = 23,120.10 × 7,518.72
  4. Step 4: Simplify right side
    15,416.04x = 173,833,558.27
  5. Step 5: Solve for x
    x = 173,833,558.27/15,416.04
  6. Step 6: Final answer
    x = 11,276.15

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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.