Home / 39,725.21-59,587.76-10,143.05

Finding the Fourth Proportional to 39,725.21, 59,587.76 and 10,143.05

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Solution

The fourth proportional to 39,725.21, 59,587.76 and 10,143.05 is: 15,214.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,725.21 : 59,587.76 = 10,143.05 : x
  2. Step 2: Convert to fraction form
    39,725.21/59,587.76 = 10,143.05/x
  3. Step 3: Cross multiply
    39,725.21x = 59,587.76 × 10,143.05
  4. Step 4: Simplify right side
    39,725.21x = 604,401,629.07
  5. Step 5: Solve for x
    x = 604,401,629.07/39,725.21
  6. Step 6: Final answer
    x = 15,214.56

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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.