Home / 14,053.48-19,394.58-7,765.72

Finding the Fourth Proportional to 14,053.48, 19,394.58 and 7,765.72

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Solution

The fourth proportional to 14,053.48, 19,394.58 and 7,765.72 is: 10,717.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.48 : 19,394.58 = 7,765.72 : x
  2. Step 2: Convert to fraction form
    14,053.48/19,394.58 = 7,765.72/x
  3. Step 3: Cross multiply
    14,053.48x = 19,394.58 × 7,765.72
  4. Step 4: Simplify right side
    14,053.48x = 150,612,877.80
  5. Step 5: Solve for x
    x = 150,612,877.80/14,053.48
  6. Step 6: Final answer
    x = 10,717.12

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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.