Home / 15,888.26-21,924.19-9,176.03

Finding the Fourth Proportional to 15,888.26, 21,924.19 and 9,176.03

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Solution

The fourth proportional to 15,888.26, 21,924.19 and 9,176.03 is: 12,661.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,888.26 : 21,924.19 = 9,176.03 : x
  2. Step 2: Convert to fraction form
    15,888.26/21,924.19 = 9,176.03/x
  3. Step 3: Cross multiply
    15,888.26x = 21,924.19 × 9,176.03
  4. Step 4: Simplify right side
    15,888.26x = 201,177,025.17
  5. Step 5: Solve for x
    x = 201,177,025.17/15,888.26
  6. Step 6: Final answer
    x = 12,661.99

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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.