Home / 15,262.30-21,064.53-9,296.29

Finding the Fourth Proportional to 15,262.30, 21,064.53 and 9,296.29

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Solution

The fourth proportional to 15,262.30, 21,064.53 and 9,296.29 is: 12,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,262.30 : 21,064.53 = 9,296.29 : x
  2. Step 2: Convert to fraction form
    15,262.30/21,064.53 = 9,296.29/x
  3. Step 3: Cross multiply
    15,262.30x = 21,064.53 × 9,296.29
  4. Step 4: Simplify right side
    15,262.30x = 195,821,979.59
  5. Step 5: Solve for x
    x = 195,821,979.59/15,262.30
  6. Step 6: Final answer
    x = 12,830.44

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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.