Home / 26,916.46-40,374.70-12,108.08

Finding the Fourth Proportional to 26,916.46, 40,374.70 and 12,108.08

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Solution

The fourth proportional to 26,916.46, 40,374.70 and 12,108.08 is: 18,162.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,916.46 : 40,374.70 = 12,108.08 : x
  2. Step 2: Convert to fraction form
    26,916.46/40,374.70 = 12,108.08/x
  3. Step 3: Cross multiply
    26,916.46x = 40,374.70 × 12,108.08
  4. Step 4: Simplify right side
    26,916.46x = 488,859,835.16
  5. Step 5: Solve for x
    x = 488,859,835.16/26,916.46
  6. Step 6: Final answer
    x = 18,162.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.