Home / 39,178.55-58,762.09-12,527.53

Finding the Fourth Proportional to 39,178.55, 58,762.09 and 12,527.53

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Solution

The fourth proportional to 39,178.55, 58,762.09 and 12,527.53 is: 18,789.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,178.55 : 58,762.09 = 12,527.53 : x
  2. Step 2: Convert to fraction form
    39,178.55/58,762.09 = 12,527.53/x
  3. Step 3: Cross multiply
    39,178.55x = 58,762.09 × 12,527.53
  4. Step 4: Simplify right side
    39,178.55x = 736,143,714.09
  5. Step 5: Solve for x
    x = 736,143,714.09/39,178.55
  6. Step 6: Final answer
    x = 18,789.46

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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.