Home / 14,002.93-21,011.10-8,736.58

Finding the Fourth Proportional to 14,002.93, 21,011.10 and 8,736.58

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Solution

The fourth proportional to 14,002.93, 21,011.10 and 8,736.58 is: 13,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.93 : 21,011.10 = 8,736.58 : x
  2. Step 2: Convert to fraction form
    14,002.93/21,011.10 = 8,736.58/x
  3. Step 3: Cross multiply
    14,002.93x = 21,011.10 × 8,736.58
  4. Step 4: Simplify right side
    14,002.93x = 183,565,156.04
  5. Step 5: Solve for x
    x = 183,565,156.04/14,002.93
  6. Step 6: Final answer
    x = 13,109.05

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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.