Home / 15,488.94-23,225.18-6,128.58

Finding the Fourth Proportional to 15,488.94, 23,225.18 and 6,128.58

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Solution

The fourth proportional to 15,488.94, 23,225.18 and 6,128.58 is: 9,189.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,488.94 : 23,225.18 = 6,128.58 : x
  2. Step 2: Convert to fraction form
    15,488.94/23,225.18 = 6,128.58/x
  3. Step 3: Cross multiply
    15,488.94x = 23,225.18 × 6,128.58
  4. Step 4: Simplify right side
    15,488.94x = 142,337,343.00
  5. Step 5: Solve for x
    x = 142,337,343.00/15,488.94
  6. Step 6: Final answer
    x = 9,189.61

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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.