Home / 14,023.16-21,006.12-8,740.88

Finding the Fourth Proportional to 14,023.16, 21,006.12 and 8,740.88

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Solution

The fourth proportional to 14,023.16, 21,006.12 and 8,740.88 is: 13,093.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,023.16 : 21,006.12 = 8,740.88 : x
  2. Step 2: Convert to fraction form
    14,023.16/21,006.12 = 8,740.88/x
  3. Step 3: Cross multiply
    14,023.16x = 21,006.12 × 8,740.88
  4. Step 4: Simplify right side
    14,023.16x = 183,611,974.19
  5. Step 5: Solve for x
    x = 183,611,974.19/14,023.16
  6. Step 6: Final answer
    x = 13,093.48

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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.