Home / 19,488.28-26,889.06-11,527.24

Finding the Fourth Proportional to 19,488.28, 26,889.06 and 11,527.24

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Solution

The fourth proportional to 19,488.28, 26,889.06 and 11,527.24 is: 15,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.28 : 26,889.06 = 11,527.24 : x
  2. Step 2: Convert to fraction form
    19,488.28/26,889.06 = 11,527.24/x
  3. Step 3: Cross multiply
    19,488.28x = 26,889.06 × 11,527.24
  4. Step 4: Simplify right side
    19,488.28x = 309,956,647.99
  5. Step 5: Solve for x
    x = 309,956,647.99/19,488.28
  6. Step 6: Final answer
    x = 15,904.77

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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.