Home / 19,337.60-26,662.56-14,866.40

Finding the Fourth Proportional to 19,337.60, 26,662.56 and 14,866.40

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Solution

The fourth proportional to 19,337.60, 26,662.56 and 14,866.40 is: 20,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,337.60 : 26,662.56 = 14,866.40 : x
  2. Step 2: Convert to fraction form
    19,337.60/26,662.56 = 14,866.40/x
  3. Step 3: Cross multiply
    19,337.60x = 26,662.56 × 14,866.40
  4. Step 4: Simplify right side
    19,337.60x = 396,376,281.98
  5. Step 5: Solve for x
    x = 396,376,281.98/19,337.60
  6. Step 6: Final answer
    x = 20,497.70

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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.