Home / 14,401.95-19,877.23-11,440.38

Finding the Fourth Proportional to 14,401.95, 19,877.23 and 11,440.38

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Solution

The fourth proportional to 14,401.95, 19,877.23 and 11,440.38 is: 15,789.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401.95 : 19,877.23 = 11,440.38 : x
  2. Step 2: Convert to fraction form
    14,401.95/19,877.23 = 11,440.38/x
  3. Step 3: Cross multiply
    14,401.95x = 19,877.23 × 11,440.38
  4. Step 4: Simplify right side
    14,401.95x = 227,403,064.55
  5. Step 5: Solve for x
    x = 227,403,064.55/14,401.95
  6. Step 6: Final answer
    x = 15,789.74

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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.