Home / 39,509.35-59,255.13-11,423.15

Finding the Fourth Proportional to 39,509.35, 59,255.13 and 11,423.15

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Solution

The fourth proportional to 39,509.35, 59,255.13 and 11,423.15 is: 17,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,509.35 : 59,255.13 = 11,423.15 : x
  2. Step 2: Convert to fraction form
    39,509.35/59,255.13 = 11,423.15/x
  3. Step 3: Cross multiply
    39,509.35x = 59,255.13 × 11,423.15
  4. Step 4: Simplify right side
    39,509.35x = 676,880,238.26
  5. Step 5: Solve for x
    x = 676,880,238.26/39,509.35
  6. Step 6: Final answer
    x = 17,132.15

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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.