Home / 16,423.75-22,664.77-8,870.08

Finding the Fourth Proportional to 16,423.75, 22,664.77 and 8,870.08

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Solution

The fourth proportional to 16,423.75, 22,664.77 and 8,870.08 is: 12,240.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,423.75 : 22,664.77 = 8,870.08 : x
  2. Step 2: Convert to fraction form
    16,423.75/22,664.77 = 8,870.08/x
  3. Step 3: Cross multiply
    16,423.75x = 22,664.77 × 8,870.08
  4. Step 4: Simplify right side
    16,423.75x = 201,038,412.85
  5. Step 5: Solve for x
    x = 201,038,412.85/16,423.75
  6. Step 6: Final answer
    x = 12,240.71

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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.