Home / 21,062.19-31,592.28-5,267.32

Finding the Fourth Proportional to 21,062.19, 31,592.28 and 5,267.32

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Solution

The fourth proportional to 21,062.19, 31,592.28 and 5,267.32 is: 7,900.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062.19 : 31,592.28 = 5,267.32 : x
  2. Step 2: Convert to fraction form
    21,062.19/31,592.28 = 5,267.32/x
  3. Step 3: Cross multiply
    21,062.19x = 31,592.28 × 5,267.32
  4. Step 4: Simplify right side
    21,062.19x = 166,406,648.29
  5. Step 5: Solve for x
    x = 166,406,648.29/21,062.19
  6. Step 6: Final answer
    x = 7,900.73

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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.