Home / 13,941.61-19,238.99-7,567.90

Finding the Fourth Proportional to 13,941.61, 19,238.99 and 7,567.90

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Solution

The fourth proportional to 13,941.61, 19,238.99 and 7,567.90 is: 10,443.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.61 : 19,238.99 = 7,567.90 : x
  2. Step 2: Convert to fraction form
    13,941.61/19,238.99 = 7,567.90/x
  3. Step 3: Cross multiply
    13,941.61x = 19,238.99 × 7,567.90
  4. Step 4: Simplify right side
    13,941.61x = 145,598,752.42
  5. Step 5: Solve for x
    x = 145,598,752.42/13,941.61
  6. Step 6: Final answer
    x = 10,443.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.