Home / 39,769.85-59,655.27-10,186.91

Finding the Fourth Proportional to 39,769.85, 59,655.27 and 10,186.91

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Solution

The fourth proportional to 39,769.85, 59,655.27 and 10,186.91 is: 15,280.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,769.85 : 59,655.27 = 10,186.91 : x
  2. Step 2: Convert to fraction form
    39,769.85/59,655.27 = 10,186.91/x
  3. Step 3: Cross multiply
    39,769.85x = 59,655.27 × 10,186.91
  4. Step 4: Simplify right side
    39,769.85x = 607,702,866.52
  5. Step 5: Solve for x
    x = 607,702,866.52/39,769.85
  6. Step 6: Final answer
    x = 15,280.49

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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.