Home / 39,768.90-59,651.98-10,186.99

Finding the Fourth Proportional to 39,768.90, 59,651.98 and 10,186.99

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Solution

The fourth proportional to 39,768.90, 59,651.98 and 10,186.99 is: 15,280.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,768.90 : 59,651.98 = 10,186.99 : x
  2. Step 2: Convert to fraction form
    39,768.90/59,651.98 = 10,186.99/x
  3. Step 3: Cross multiply
    39,768.90x = 59,651.98 × 10,186.99
  4. Step 4: Simplify right side
    39,768.90x = 607,674,123.74
  5. Step 5: Solve for x
    x = 607,674,123.74/39,768.90
  6. Step 6: Final answer
    x = 15,280.13

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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.