Home / 13,256.24-19,888.68-6,681.92

Finding the Fourth Proportional to 13,256.24, 19,888.68 and 6,681.92

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Solution

The fourth proportional to 13,256.24, 19,888.68 and 6,681.92 is: 10,025.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.24 : 19,888.68 = 6,681.92 : x
  2. Step 2: Convert to fraction form
    13,256.24/19,888.68 = 6,681.92/x
  3. Step 3: Cross multiply
    13,256.24x = 19,888.68 × 6,681.92
  4. Step 4: Simplify right side
    13,256.24x = 132,894,568.67
  5. Step 5: Solve for x
    x = 132,894,568.67/13,256.24
  6. Step 6: Final answer
    x = 10,025.06

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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.