Home / 50,007.52-75,011.40-12,567.68

Finding the Fourth Proportional to 50,007.52, 75,011.40 and 12,567.68

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Solution

The fourth proportional to 50,007.52, 75,011.40 and 12,567.68 is: 18,851.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,007.52 : 75,011.40 = 12,567.68 : x
  2. Step 2: Convert to fraction form
    50,007.52/75,011.40 = 12,567.68/x
  3. Step 3: Cross multiply
    50,007.52x = 75,011.40 × 12,567.68
  4. Step 4: Simplify right side
    50,007.52x = 942,719,271.55
  5. Step 5: Solve for x
    x = 942,719,271.55/50,007.52
  6. Step 6: Final answer
    x = 18,851.55

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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.