Home / 12,795.77-19,156.30-10,335.40

Finding the Fourth Proportional to 12,795.77, 19,156.30 and 10,335.40

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Solution

The fourth proportional to 12,795.77, 19,156.30 and 10,335.40 is: 15,472.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.77 : 19,156.30 = 10,335.40 : x
  2. Step 2: Convert to fraction form
    12,795.77/19,156.30 = 10,335.40/x
  3. Step 3: Cross multiply
    12,795.77x = 19,156.30 × 10,335.40
  4. Step 4: Simplify right side
    12,795.77x = 197,987,949.29
  5. Step 5: Solve for x
    x = 197,987,949.29/12,795.77
  6. Step 6: Final answer
    x = 15,472.92

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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.