Home / 14,888.69-20,546.65-8,174.60

Finding the Fourth Proportional to 14,888.69, 20,546.65 and 8,174.60

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Solution

The fourth proportional to 14,888.69, 20,546.65 and 8,174.60 is: 11,281.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,888.69 : 20,546.65 = 8,174.60 : x
  2. Step 2: Convert to fraction form
    14,888.69/20,546.65 = 8,174.60/x
  3. Step 3: Cross multiply
    14,888.69x = 20,546.65 × 8,174.60
  4. Step 4: Simplify right side
    14,888.69x = 167,960,598.97
  5. Step 5: Solve for x
    x = 167,960,598.97/14,888.69
  6. Step 6: Final answer
    x = 11,281.09

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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.