Home / 14,681.68-22,030.36-6,890.56

Finding the Fourth Proportional to 14,681.68, 22,030.36 and 6,890.56

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Solution

The fourth proportional to 14,681.68, 22,030.36 and 6,890.56 is: 10,339.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.68 : 22,030.36 = 6,890.56 : x
  2. Step 2: Convert to fraction form
    14,681.68/22,030.36 = 6,890.56/x
  3. Step 3: Cross multiply
    14,681.68x = 22,030.36 × 6,890.56
  4. Step 4: Simplify right side
    14,681.68x = 151,801,517.40
  5. Step 5: Solve for x
    x = 151,801,517.40/14,681.68
  6. Step 6: Final answer
    x = 10,339.52

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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.