Home / 14,072.40-21,095.52-5,301.36

Finding the Fourth Proportional to 14,072.40, 21,095.52 and 5,301.36

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Solution

The fourth proportional to 14,072.40, 21,095.52 and 5,301.36 is: 7,947.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.40 : 21,095.52 = 5,301.36 : x
  2. Step 2: Convert to fraction form
    14,072.40/21,095.52 = 5,301.36/x
  3. Step 3: Cross multiply
    14,072.40x = 21,095.52 × 5,301.36
  4. Step 4: Simplify right side
    14,072.40x = 111,834,945.91
  5. Step 5: Solve for x
    x = 111,834,945.91/14,072.40
  6. Step 6: Final answer
    x = 7,947.11

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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.