Home / 18,913.68-26,097.12-10,528.56

Finding the Fourth Proportional to 18,913.68, 26,097.12 and 10,528.56

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Solution

The fourth proportional to 18,913.68, 26,097.12 and 10,528.56 is: 14,527.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,913.68 : 26,097.12 = 10,528.56 : x
  2. Step 2: Convert to fraction form
    18,913.68/26,097.12 = 10,528.56/x
  3. Step 3: Cross multiply
    18,913.68x = 26,097.12 × 10,528.56
  4. Step 4: Simplify right side
    18,913.68x = 274,765,093.75
  5. Step 5: Solve for x
    x = 274,765,093.75/18,913.68
  6. Step 6: Final answer
    x = 14,527.32

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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.