Home / 16,054.85-22,155.35-8,885.40

Finding the Fourth Proportional to 16,054.85, 22,155.35 and 8,885.40

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Solution

The fourth proportional to 16,054.85, 22,155.35 and 8,885.40 is: 12,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,054.85 : 22,155.35 = 8,885.40 : x
  2. Step 2: Convert to fraction form
    16,054.85/22,155.35 = 8,885.40/x
  3. Step 3: Cross multiply
    16,054.85x = 22,155.35 × 8,885.40
  4. Step 4: Simplify right side
    16,054.85x = 196,859,102.46
  5. Step 5: Solve for x
    x = 196,859,102.46/16,054.85
  6. Step 6: Final answer
    x = 12,261.66

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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.