Home / 13,288.14-18,317.58-10,926.18

Finding the Fourth Proportional to 13,288.14, 18,317.58 and 10,926.18

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Solution

The fourth proportional to 13,288.14, 18,317.58 and 10,926.18 is: 15,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288.14 : 18,317.58 = 10,926.18 : x
  2. Step 2: Convert to fraction form
    13,288.14/18,317.58 = 10,926.18/x
  3. Step 3: Cross multiply
    13,288.14x = 18,317.58 × 10,926.18
  4. Step 4: Simplify right side
    13,288.14x = 200,141,176.24
  5. Step 5: Solve for x
    x = 200,141,176.24/13,288.14
  6. Step 6: Final answer
    x = 15,061.64

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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.