Home / 19,047.60-26,285.40-10,664.40

Finding the Fourth Proportional to 19,047.60, 26,285.40 and 10,664.40

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Solution

The fourth proportional to 19,047.60, 26,285.40 and 10,664.40 is: 14,716.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,047.60 : 26,285.40 = 10,664.40 : x
  2. Step 2: Convert to fraction form
    19,047.60/26,285.40 = 10,664.40/x
  3. Step 3: Cross multiply
    19,047.60x = 26,285.40 × 10,664.40
  4. Step 4: Simplify right side
    19,047.60x = 280,318,019.76
  5. Step 5: Solve for x
    x = 280,318,019.76/19,047.60
  6. Step 6: Final answer
    x = 14,716.71

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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.