Home / 15,758.08-21,746.19-8,588.05

Finding the Fourth Proportional to 15,758.08, 21,746.19 and 8,588.05

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Solution

The fourth proportional to 15,758.08, 21,746.19 and 8,588.05 is: 11,851.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,758.08 : 21,746.19 = 8,588.05 : x
  2. Step 2: Convert to fraction form
    15,758.08/21,746.19 = 8,588.05/x
  3. Step 3: Cross multiply
    15,758.08x = 21,746.19 × 8,588.05
  4. Step 4: Simplify right side
    15,758.08x = 186,757,367.03
  5. Step 5: Solve for x
    x = 186,757,367.03/15,758.08
  6. Step 6: Final answer
    x = 11,851.53

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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.