Home / 18,558.60-25,581.78-14,064.36

Finding the Fourth Proportional to 18,558.60, 25,581.78 and 14,064.36

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Solution

The fourth proportional to 18,558.60, 25,581.78 and 14,064.36 is: 19,386.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558.60 : 25,581.78 = 14,064.36 : x
  2. Step 2: Convert to fraction form
    18,558.60/25,581.78 = 14,064.36/x
  3. Step 3: Cross multiply
    18,558.60x = 25,581.78 × 14,064.36
  4. Step 4: Simplify right side
    18,558.60x = 359,791,363.36
  5. Step 5: Solve for x
    x = 359,791,363.36/18,558.60
  6. Step 6: Final answer
    x = 19,386.77

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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.