Home / 14,224.53-19,625.16-9,191.71

Finding the Fourth Proportional to 14,224.53, 19,625.16 and 9,191.71

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Solution

The fourth proportional to 14,224.53, 19,625.16 and 9,191.71 is: 12,681.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.53 : 19,625.16 = 9,191.71 : x
  2. Step 2: Convert to fraction form
    14,224.53/19,625.16 = 9,191.71/x
  3. Step 3: Cross multiply
    14,224.53x = 19,625.16 × 9,191.71
  4. Step 4: Simplify right side
    14,224.53x = 180,388,779.42
  5. Step 5: Solve for x
    x = 180,388,779.42/14,224.53
  6. Step 6: Final answer
    x = 12,681.53

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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.