Home / 15,475.59-21,348.16-9,800.33

Finding the Fourth Proportional to 15,475.59, 21,348.16 and 9,800.33

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Solution

The fourth proportional to 15,475.59, 21,348.16 and 9,800.33 is: 13,519.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475.59 : 21,348.16 = 9,800.33 : x
  2. Step 2: Convert to fraction form
    15,475.59/21,348.16 = 9,800.33/x
  3. Step 3: Cross multiply
    15,475.59x = 21,348.16 × 9,800.33
  4. Step 4: Simplify right side
    15,475.59x = 209,218,881.65
  5. Step 5: Solve for x
    x = 209,218,881.65/15,475.59
  6. Step 6: Final answer
    x = 13,519.28

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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.