Home / 14,132.25-19,502.51-7,845.21

Finding the Fourth Proportional to 14,132.25, 19,502.51 and 7,845.21

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Solution

The fourth proportional to 14,132.25, 19,502.51 and 7,845.21 is: 10,826.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.25 : 19,502.51 = 7,845.21 : x
  2. Step 2: Convert to fraction form
    14,132.25/19,502.51 = 7,845.21/x
  3. Step 3: Cross multiply
    14,132.25x = 19,502.51 × 7,845.21
  4. Step 4: Simplify right side
    14,132.25x = 153,001,247.25
  5. Step 5: Solve for x
    x = 153,001,247.25/14,132.25
  6. Step 6: Final answer
    x = 10,826.39

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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.