Home / 13,937.24-19,191.30-12,045.32

Finding the Fourth Proportional to 13,937.24, 19,191.30 and 12,045.32

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Solution

The fourth proportional to 13,937.24, 19,191.30 and 12,045.32 is: 16,586.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.24 : 19,191.30 = 12,045.32 : x
  2. Step 2: Convert to fraction form
    13,937.24/19,191.30 = 12,045.32/x
  3. Step 3: Cross multiply
    13,937.24x = 19,191.30 × 12,045.32
  4. Step 4: Simplify right side
    13,937.24x = 231,165,349.72
  5. Step 5: Solve for x
    x = 231,165,349.72/13,937.24
  6. Step 6: Final answer
    x = 16,586.16

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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.