Home / 16,380.24-22,603.08-9,305.28

Finding the Fourth Proportional to 16,380.24, 22,603.08 and 9,305.28

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Solution

The fourth proportional to 16,380.24, 22,603.08 and 9,305.28 is: 12,840.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,380.24 : 22,603.08 = 9,305.28 : x
  2. Step 2: Convert to fraction form
    16,380.24/22,603.08 = 9,305.28/x
  3. Step 3: Cross multiply
    16,380.24x = 22,603.08 × 9,305.28
  4. Step 4: Simplify right side
    16,380.24x = 210,327,988.26
  5. Step 5: Solve for x
    x = 210,327,988.26/16,380.24
  6. Step 6: Final answer
    x = 12,840.35

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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.