Home / 39,186.77-58,782.38-12,535.10

Finding the Fourth Proportional to 39,186.77, 58,782.38 and 12,535.10

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Solution

The fourth proportional to 39,186.77, 58,782.38 and 12,535.10 is: 18,803.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,186.77 : 58,782.38 = 12,535.10 : x
  2. Step 2: Convert to fraction form
    39,186.77/58,782.38 = 12,535.10/x
  3. Step 3: Cross multiply
    39,186.77x = 58,782.38 × 12,535.10
  4. Step 4: Simplify right side
    39,186.77x = 736,843,189.83
  5. Step 5: Solve for x
    x = 736,843,189.83/39,186.77
  6. Step 6: Final answer
    x = 18,803.37

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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.