Home / 39,776.40-59,650.83-11,689.11

Finding the Fourth Proportional to 39,776.40, 59,650.83 and 11,689.11

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Solution

The fourth proportional to 39,776.40, 59,650.83 and 11,689.11 is: 17,529.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,776.40 : 59,650.83 = 11,689.11 : x
  2. Step 2: Convert to fraction form
    39,776.40/59,650.83 = 11,689.11/x
  3. Step 3: Cross multiply
    39,776.40x = 59,650.83 × 11,689.11
  4. Step 4: Simplify right side
    39,776.40x = 697,265,113.46
  5. Step 5: Solve for x
    x = 697,265,113.46/39,776.40
  6. Step 6: Final answer
    x = 17,529.62

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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.