Home / 14,051.55-21,087.71-6,656.02

Finding the Fourth Proportional to 14,051.55, 21,087.71 and 6,656.02

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Solution

The fourth proportional to 14,051.55, 21,087.71 and 6,656.02 is: 9,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.55 : 21,087.71 = 6,656.02 : x
  2. Step 2: Convert to fraction form
    14,051.55/21,087.71 = 6,656.02/x
  3. Step 3: Cross multiply
    14,051.55x = 21,087.71 × 6,656.02
  4. Step 4: Simplify right side
    14,051.55x = 140,360,262.51
  5. Step 5: Solve for x
    x = 140,360,262.51/14,051.55
  6. Step 6: Final answer
    x = 9,988.95

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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.