Home / 14,148.85-19,524.55-7,861.23

Finding the Fourth Proportional to 14,148.85, 19,524.55 and 7,861.23

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Solution

The fourth proportional to 14,148.85, 19,524.55 and 7,861.23 is: 10,848.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.85 : 19,524.55 = 7,861.23 : x
  2. Step 2: Convert to fraction form
    14,148.85/19,524.55 = 7,861.23/x
  3. Step 3: Cross multiply
    14,148.85x = 19,524.55 × 7,861.23
  4. Step 4: Simplify right side
    14,148.85x = 153,486,978.20
  5. Step 5: Solve for x
    x = 153,486,978.20/14,148.85
  6. Step 6: Final answer
    x = 10,848.02

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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.