Home / 14,009.26-21,013.88-5,248.30

Finding the Fourth Proportional to 14,009.26, 21,013.88 and 5,248.30

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Solution

The fourth proportional to 14,009.26, 21,013.88 and 5,248.30 is: 7,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.26 : 21,013.88 = 5,248.30 : x
  2. Step 2: Convert to fraction form
    14,009.26/21,013.88 = 5,248.30/x
  3. Step 3: Cross multiply
    14,009.26x = 21,013.88 × 5,248.30
  4. Step 4: Simplify right side
    14,009.26x = 110,287,146.40
  5. Step 5: Solve for x
    x = 110,287,146.40/14,009.26
  6. Step 6: Final answer
    x = 7,872.45

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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.