Home / 18,867.36-26,063.53-17,870.91

Finding the Fourth Proportional to 18,867.36, 26,063.53 and 17,870.91

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Solution

The fourth proportional to 18,867.36, 26,063.53 and 17,870.91 is: 24,687.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,867.36 : 26,063.53 = 17,870.91 : x
  2. Step 2: Convert to fraction form
    18,867.36/26,063.53 = 17,870.91/x
  3. Step 3: Cross multiply
    18,867.36x = 26,063.53 × 17,870.91
  4. Step 4: Simplify right side
    18,867.36x = 465,778,856.50
  5. Step 5: Solve for x
    x = 465,778,856.50/18,867.36
  6. Step 6: Final answer
    x = 24,687.02

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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.