Home / 15,633.82-21,574.67-8,560.26

Finding the Fourth Proportional to 15,633.82, 21,574.67 and 8,560.26

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Solution

The fourth proportional to 15,633.82, 21,574.67 and 8,560.26 is: 11,813.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.82 : 21,574.67 = 8,560.26 : x
  2. Step 2: Convert to fraction form
    15,633.82/21,574.67 = 8,560.26/x
  3. Step 3: Cross multiply
    15,633.82x = 21,574.67 × 8,560.26
  4. Step 4: Simplify right side
    15,633.82x = 184,684,784.61
  5. Step 5: Solve for x
    x = 184,684,784.61/15,633.82
  6. Step 6: Final answer
    x = 11,813.16

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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.