Home / 15,817.24-21,826.34-9,101.08

Finding the Fourth Proportional to 15,817.24, 21,826.34 and 9,101.08

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Solution

The fourth proportional to 15,817.24, 21,826.34 and 9,101.08 is: 12,558.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,817.24 : 21,826.34 = 9,101.08 : x
  2. Step 2: Convert to fraction form
    15,817.24/21,826.34 = 9,101.08/x
  3. Step 3: Cross multiply
    15,817.24x = 21,826.34 × 9,101.08
  4. Step 4: Simplify right side
    15,817.24x = 198,643,266.45
  5. Step 5: Solve for x
    x = 198,643,266.45/15,817.24
  6. Step 6: Final answer
    x = 12,558.66

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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.