Home / 19,336.60-26,661.18-14,865.40

Finding the Fourth Proportional to 19,336.60, 26,661.18 and 14,865.40

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Solution

The fourth proportional to 19,336.60, 26,661.18 and 14,865.40 is: 20,496.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,336.60 : 26,661.18 = 14,865.40 : x
  2. Step 2: Convert to fraction form
    19,336.60/26,661.18 = 14,865.40/x
  3. Step 3: Cross multiply
    19,336.60x = 26,661.18 × 14,865.40
  4. Step 4: Simplify right side
    19,336.60x = 396,329,105.17
  5. Step 5: Solve for x
    x = 396,329,105.17/19,336.60
  6. Step 6: Final answer
    x = 20,496.32

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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.