Home / 19,417.97-26,805.81-14,639.84

Finding the Fourth Proportional to 19,417.97, 26,805.81 and 14,639.84

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Solution

The fourth proportional to 19,417.97, 26,805.81 and 14,639.84 is: 20,209.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.97 : 26,805.81 = 14,639.84 : x
  2. Step 2: Convert to fraction form
    19,417.97/26,805.81 = 14,639.84/x
  3. Step 3: Cross multiply
    19,417.97x = 26,805.81 × 14,639.84
  4. Step 4: Simplify right side
    19,417.97x = 392,432,635.44
  5. Step 5: Solve for x
    x = 392,432,635.44/19,417.97
  6. Step 6: Final answer
    x = 20,209.77

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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.