Home / 19,307.27-26,643.69-10,809.41

Finding the Fourth Proportional to 19,307.27, 26,643.69 and 10,809.41

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Solution

The fourth proportional to 19,307.27, 26,643.69 and 10,809.41 is: 14,916.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,307.27 : 26,643.69 = 10,809.41 : x
  2. Step 2: Convert to fraction form
    19,307.27/26,643.69 = 10,809.41/x
  3. Step 3: Cross multiply
    19,307.27x = 26,643.69 × 10,809.41
  4. Step 4: Simplify right side
    19,307.27x = 288,002,435.90
  5. Step 5: Solve for x
    x = 288,002,435.90/19,307.27
  6. Step 6: Final answer
    x = 14,916.79

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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.