Home / 15,799.04-21,805.46-9,426.02

Finding the Fourth Proportional to 15,799.04, 21,805.46 and 9,426.02

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Solution

The fourth proportional to 15,799.04, 21,805.46 and 9,426.02 is: 13,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,799.04 : 21,805.46 = 9,426.02 : x
  2. Step 2: Convert to fraction form
    15,799.04/21,805.46 = 9,426.02/x
  3. Step 3: Cross multiply
    15,799.04x = 21,805.46 × 9,426.02
  4. Step 4: Simplify right side
    15,799.04x = 205,538,545.91
  5. Step 5: Solve for x
    x = 205,538,545.91/15,799.04
  6. Step 6: Final answer
    x = 13,009.56

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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.