Home / 26,742.50-40,114.69-12,695.29

Finding the Fourth Proportional to 26,742.50, 40,114.69 and 12,695.29

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Solution

The fourth proportional to 26,742.50, 40,114.69 and 12,695.29 is: 19,043.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,742.50 : 40,114.69 = 12,695.29 : x
  2. Step 2: Convert to fraction form
    26,742.50/40,114.69 = 12,695.29/x
  3. Step 3: Cross multiply
    26,742.50x = 40,114.69 × 12,695.29
  4. Step 4: Simplify right side
    26,742.50x = 509,267,622.81
  5. Step 5: Solve for x
    x = 509,267,622.81/26,742.50
  6. Step 6: Final answer
    x = 19,043.38

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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.