Home / 26,842.12-40,264.02-12,803.67

Finding the Fourth Proportional to 26,842.12, 40,264.02 and 12,803.67

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Solution

The fourth proportional to 26,842.12, 40,264.02 and 12,803.67 is: 19,205.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,842.12 : 40,264.02 = 12,803.67 : x
  2. Step 2: Convert to fraction form
    26,842.12/40,264.02 = 12,803.67/x
  3. Step 3: Cross multiply
    26,842.12x = 40,264.02 × 12,803.67
  4. Step 4: Simplify right side
    26,842.12x = 515,527,224.95
  5. Step 5: Solve for x
    x = 515,527,224.95/26,842.12
  6. Step 6: Final answer
    x = 19,205.91

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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.