Home / 14,565.51-20,100.33-8,277.89

Finding the Fourth Proportional to 14,565.51, 20,100.33 and 8,277.89

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Solution

The fourth proportional to 14,565.51, 20,100.33 and 8,277.89 is: 11,423.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,565.51 : 20,100.33 = 8,277.89 : x
  2. Step 2: Convert to fraction form
    14,565.51/20,100.33 = 8,277.89/x
  3. Step 3: Cross multiply
    14,565.51x = 20,100.33 × 8,277.89
  4. Step 4: Simplify right side
    14,565.51x = 166,388,220.20
  5. Step 5: Solve for x
    x = 166,388,220.20/14,565.51
  6. Step 6: Final answer
    x = 11,423.44

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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.