Home / 26,385.50-36,406.16-16,178.72

Finding the Fourth Proportional to 26,385.50, 36,406.16 and 16,178.72

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Solution

The fourth proportional to 26,385.50, 36,406.16 and 16,178.72 is: 22,323.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,385.50 : 36,406.16 = 16,178.72 : x
  2. Step 2: Convert to fraction form
    26,385.50/36,406.16 = 16,178.72/x
  3. Step 3: Cross multiply
    26,385.50x = 36,406.16 × 16,178.72
  4. Step 4: Simplify right side
    26,385.50x = 589,005,068.92
  5. Step 5: Solve for x
    x = 589,005,068.92/26,385.50
  6. Step 6: Final answer
    x = 22,323.06

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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.