Home / 19,861.89-29,765.15-14,925.76

Finding the Fourth Proportional to 19,861.89, 29,765.15 and 14,925.76

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Solution

The fourth proportional to 19,861.89, 29,765.15 and 14,925.76 is: 22,367.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861.89 : 29,765.15 = 14,925.76 : x
  2. Step 2: Convert to fraction form
    19,861.89/29,765.15 = 14,925.76/x
  3. Step 3: Cross multiply
    19,861.89x = 29,765.15 × 14,925.76
  4. Step 4: Simplify right side
    19,861.89x = 444,267,485.26
  5. Step 5: Solve for x
    x = 444,267,485.26/19,861.89
  6. Step 6: Final answer
    x = 22,367.84

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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.