Home / 15,416.32-23,124.84-7,103.30

Finding the Fourth Proportional to 15,416.32, 23,124.84 and 7,103.30

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Solution

The fourth proportional to 15,416.32, 23,124.84 and 7,103.30 is: 10,655.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,416.32 : 23,124.84 = 7,103.30 : x
  2. Step 2: Convert to fraction form
    15,416.32/23,124.84 = 7,103.30/x
  3. Step 3: Cross multiply
    15,416.32x = 23,124.84 × 7,103.30
  4. Step 4: Simplify right side
    15,416.32x = 164,262,675.97
  5. Step 5: Solve for x
    x = 164,262,675.97/15,416.32
  6. Step 6: Final answer
    x = 10,655.12

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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.