Home / 35,771.09-53,656.61-12,397.50

Finding the Fourth Proportional to 35,771.09, 53,656.61 and 12,397.50

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Solution

The fourth proportional to 35,771.09, 53,656.61 and 12,397.50 is: 18,596.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,771.09 : 53,656.61 = 12,397.50 : x
  2. Step 2: Convert to fraction form
    35,771.09/53,656.61 = 12,397.50/x
  3. Step 3: Cross multiply
    35,771.09x = 53,656.61 × 12,397.50
  4. Step 4: Simplify right side
    35,771.09x = 665,207,760.49
  5. Step 5: Solve for x
    x = 665,207,760.49/35,771.09
  6. Step 6: Final answer
    x = 18,596.24

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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.