Home / 29,178.24-40,266.18-16,603.80

Finding the Fourth Proportional to 29,178.24, 40,266.18 and 16,603.80

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Solution

The fourth proportional to 29,178.24, 40,266.18 and 16,603.80 is: 22,913.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,178.24 : 40,266.18 = 16,603.80 : x
  2. Step 2: Convert to fraction form
    29,178.24/40,266.18 = 16,603.80/x
  3. Step 3: Cross multiply
    29,178.24x = 40,266.18 × 16,603.80
  4. Step 4: Simplify right side
    29,178.24x = 668,571,599.48
  5. Step 5: Solve for x
    x = 668,571,599.48/29,178.24
  6. Step 6: Final answer
    x = 22,913.36

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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.