Home / 15,347.21-22,987.40-9,406.13

Finding the Fourth Proportional to 15,347.21, 22,987.40 and 9,406.13

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Solution

The fourth proportional to 15,347.21, 22,987.40 and 9,406.13 is: 14,088.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,347.21 : 22,987.40 = 9,406.13 : x
  2. Step 2: Convert to fraction form
    15,347.21/22,987.40 = 9,406.13/x
  3. Step 3: Cross multiply
    15,347.21x = 22,987.40 × 9,406.13
  4. Step 4: Simplify right side
    15,347.21x = 216,222,310.79
  5. Step 5: Solve for x
    x = 216,222,310.79/15,347.21
  6. Step 6: Final answer
    x = 14,088.71

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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.