Home / 14,978.85-22,461.33-8,740.66

Finding the Fourth Proportional to 14,978.85, 22,461.33 and 8,740.66

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Solution

The fourth proportional to 14,978.85, 22,461.33 and 8,740.66 is: 13,106.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,978.85 : 22,461.33 = 8,740.66 : x
  2. Step 2: Convert to fraction form
    14,978.85/22,461.33 = 8,740.66/x
  3. Step 3: Cross multiply
    14,978.85x = 22,461.33 × 8,740.66
  4. Step 4: Simplify right side
    14,978.85x = 196,326,848.68
  5. Step 5: Solve for x
    x = 196,326,848.68/14,978.85
  6. Step 6: Final answer
    x = 13,106.94

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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.