Home / 18,911.20-26,097.36-10,527.52

Finding the Fourth Proportional to 18,911.20, 26,097.36 and 10,527.52

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Solution

The fourth proportional to 18,911.20, 26,097.36 and 10,527.52 is: 14,527.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,911.20 : 26,097.36 = 10,527.52 : x
  2. Step 2: Convert to fraction form
    18,911.20/26,097.36 = 10,527.52/x
  3. Step 3: Cross multiply
    18,911.20x = 26,097.36 × 10,527.52
  4. Step 4: Simplify right side
    18,911.20x = 274,740,479.35
  5. Step 5: Solve for x
    x = 274,740,479.35/18,911.20
  6. Step 6: Final answer
    x = 14,527.92

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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.