Home / 14,312.26-19,750.23-7,938.36

Finding the Fourth Proportional to 14,312.26, 19,750.23 and 7,938.36

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Solution

The fourth proportional to 14,312.26, 19,750.23 and 7,938.36 is: 10,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,312.26 : 19,750.23 = 7,938.36 : x
  2. Step 2: Convert to fraction form
    14,312.26/19,750.23 = 7,938.36/x
  3. Step 3: Cross multiply
    14,312.26x = 19,750.23 × 7,938.36
  4. Step 4: Simplify right side
    14,312.26x = 156,784,435.82
  5. Step 5: Solve for x
    x = 156,784,435.82/14,312.26
  6. Step 6: Final answer
    x = 10,954.55

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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.