Home / 19,311.64-26,651.40-10,814.56

Finding the Fourth Proportional to 19,311.64, 26,651.40 and 10,814.56

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Solution

The fourth proportional to 19,311.64, 26,651.40 and 10,814.56 is: 14,924.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,311.64 : 26,651.40 = 10,814.56 : x
  2. Step 2: Convert to fraction form
    19,311.64/26,651.40 = 10,814.56/x
  3. Step 3: Cross multiply
    19,311.64x = 26,651.40 × 10,814.56
  4. Step 4: Simplify right side
    19,311.64x = 288,223,164.38
  5. Step 5: Solve for x
    x = 288,223,164.38/19,311.64
  6. Step 6: Final answer
    x = 14,924.84

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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.