Home / 19,353.84-26,711-13,993.66

Finding the Fourth Proportional to 19,353.84, 26,711 and 13,993.66

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Solution

The fourth proportional to 19,353.84, 26,711 and 13,993.66 is: 19,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,353.84 : 26,711 = 13,993.66 : x
  2. Step 2: Convert to fraction form
    19,353.84/26,711 = 13,993.66/x
  3. Step 3: Cross multiply
    19,353.84x = 26,711 × 13,993.66
  4. Step 4: Simplify right side
    19,353.84x = 373,784,652.26
  5. Step 5: Solve for x
    x = 373,784,652.26/19,353.84
  6. Step 6: Final answer
    x = 19,313.20

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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.