Home / 29,282.22-40,408.98-15,853.35

Finding the Fourth Proportional to 29,282.22, 40,408.98 and 15,853.35

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Solution

The fourth proportional to 29,282.22, 40,408.98 and 15,853.35 is: 21,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,282.22 : 40,408.98 = 15,853.35 : x
  2. Step 2: Convert to fraction form
    29,282.22/40,408.98 = 15,853.35/x
  3. Step 3: Cross multiply
    29,282.22x = 40,408.98 × 15,853.35
  4. Step 4: Simplify right side
    29,282.22x = 640,617,703.08
  5. Step 5: Solve for x
    x = 640,617,703.08/29,282.22
  6. Step 6: Final answer
    x = 21,877.36

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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.