Home / 16,254.95-22,429.10-9,880.44

Finding the Fourth Proportional to 16,254.95, 22,429.10 and 9,880.44

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Solution

The fourth proportional to 16,254.95, 22,429.10 and 9,880.44 is: 13,633.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,254.95 : 22,429.10 = 9,880.44 : x
  2. Step 2: Convert to fraction form
    16,254.95/22,429.10 = 9,880.44/x
  3. Step 3: Cross multiply
    16,254.95x = 22,429.10 × 9,880.44
  4. Step 4: Simplify right side
    16,254.95x = 221,609,327.40
  5. Step 5: Solve for x
    x = 221,609,327.40/16,254.95
  6. Step 6: Final answer
    x = 13,633.35

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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.