Home / 13,951.04-19,253.70-9,171.23

Finding the Fourth Proportional to 13,951.04, 19,253.70 and 9,171.23

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Solution

The fourth proportional to 13,951.04, 19,253.70 and 9,171.23 is: 12,657.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.04 : 19,253.70 = 9,171.23 : x
  2. Step 2: Convert to fraction form
    13,951.04/19,253.70 = 9,171.23/x
  3. Step 3: Cross multiply
    13,951.04x = 19,253.70 × 9,171.23
  4. Step 4: Simplify right side
    13,951.04x = 176,580,014.78
  5. Step 5: Solve for x
    x = 176,580,014.78/13,951.04
  6. Step 6: Final answer
    x = 12,657.13

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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.