Home / 14,609.86-21,954.35-7,951.28

Finding the Fourth Proportional to 14,609.86, 21,954.35 and 7,951.28

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Solution

The fourth proportional to 14,609.86, 21,954.35 and 7,951.28 is: 11,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.86 : 21,954.35 = 7,951.28 : x
  2. Step 2: Convert to fraction form
    14,609.86/21,954.35 = 7,951.28/x
  3. Step 3: Cross multiply
    14,609.86x = 21,954.35 × 7,951.28
  4. Step 4: Simplify right side
    14,609.86x = 174,565,094.17
  5. Step 5: Solve for x
    x = 174,565,094.17/14,609.86
  6. Step 6: Final answer
    x = 11,948.45

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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.