Home / 14,051.47-21,087.58-6,655.92

Finding the Fourth Proportional to 14,051.47, 21,087.58 and 6,655.92

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Solution

The fourth proportional to 14,051.47, 21,087.58 and 6,655.92 is: 9,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.47 : 21,087.58 = 6,655.92 : x
  2. Step 2: Convert to fraction form
    14,051.47/21,087.58 = 6,655.92/x
  3. Step 3: Cross multiply
    14,051.47x = 21,087.58 × 6,655.92
  4. Step 4: Simplify right side
    14,051.47x = 140,357,212.19
  5. Step 5: Solve for x
    x = 140,357,212.19/14,051.47
  6. Step 6: Final answer
    x = 9,988.80

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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.