Home / 39,678.14-59,545.98-14,721.75

Finding the Fourth Proportional to 39,678.14, 59,545.98 and 14,721.75

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Solution

The fourth proportional to 39,678.14, 59,545.98 and 14,721.75 is: 22,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,678.14 : 59,545.98 = 14,721.75 : x
  2. Step 2: Convert to fraction form
    39,678.14/59,545.98 = 14,721.75/x
  3. Step 3: Cross multiply
    39,678.14x = 59,545.98 × 14,721.75
  4. Step 4: Simplify right side
    39,678.14x = 876,621,031.07
  5. Step 5: Solve for x
    x = 876,621,031.07/39,678.14
  6. Step 6: Final answer
    x = 22,093.30

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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.