Home / 13,111.24-19,672.62-4,347.40

Finding the Fourth Proportional to 13,111.24, 19,672.62 and 4,347.40

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Solution

The fourth proportional to 13,111.24, 19,672.62 and 4,347.40 is: 6,523.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,111.24 : 19,672.62 = 4,347.40 : x
  2. Step 2: Convert to fraction form
    13,111.24/19,672.62 = 4,347.40/x
  3. Step 3: Cross multiply
    13,111.24x = 19,672.62 × 4,347.40
  4. Step 4: Simplify right side
    13,111.24x = 85,524,748.19
  5. Step 5: Solve for x
    x = 85,524,748.19/13,111.24
  6. Step 6: Final answer
    x = 6,523.01

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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.