Home / 14,150.15-19,521.15-8,835.74

Finding the Fourth Proportional to 14,150.15, 19,521.15 and 8,835.74

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Solution

The fourth proportional to 14,150.15, 19,521.15 and 8,835.74 is: 12,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.15 : 19,521.15 = 8,835.74 : x
  2. Step 2: Convert to fraction form
    14,150.15/19,521.15 = 8,835.74/x
  3. Step 3: Cross multiply
    14,150.15x = 19,521.15 × 8,835.74
  4. Step 4: Simplify right side
    14,150.15x = 172,483,805.90
  5. Step 5: Solve for x
    x = 172,483,805.90/14,150.15
  6. Step 6: Final answer
    x = 12,189.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.