Home / 14,454.16-21,717.78-13,870.96

Finding the Fourth Proportional to 14,454.16, 21,717.78 and 13,870.96

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Solution

The fourth proportional to 14,454.16, 21,717.78 and 13,870.96 is: 20,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454.16 : 21,717.78 = 13,870.96 : x
  2. Step 2: Convert to fraction form
    14,454.16/21,717.78 = 13,870.96/x
  3. Step 3: Cross multiply
    14,454.16x = 21,717.78 × 13,870.96
  4. Step 4: Simplify right side
    14,454.16x = 301,246,457.67
  5. Step 5: Solve for x
    x = 301,246,457.67/14,454.16
  6. Step 6: Final answer
    x = 20,841.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.