Home / 39,725.86-59,588.76-10,143.70

Finding the Fourth Proportional to 39,725.86, 59,588.76 and 10,143.70

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Solution

The fourth proportional to 39,725.86, 59,588.76 and 10,143.70 is: 15,215.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,725.86 : 59,588.76 = 10,143.70 : x
  2. Step 2: Convert to fraction form
    39,725.86/59,588.76 = 10,143.70/x
  3. Step 3: Cross multiply
    39,725.86x = 59,588.76 × 10,143.70
  4. Step 4: Simplify right side
    39,725.86x = 604,450,504.81
  5. Step 5: Solve for x
    x = 604,450,504.81/39,725.86
  6. Step 6: Final answer
    x = 15,215.54

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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.