Home / 14,088.60-21,136.50-5,323.56

Finding the Fourth Proportional to 14,088.60, 21,136.50 and 5,323.56

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Solution

The fourth proportional to 14,088.60, 21,136.50 and 5,323.56 is: 7,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.60 : 21,136.50 = 5,323.56 : x
  2. Step 2: Convert to fraction form
    14,088.60/21,136.50 = 5,323.56/x
  3. Step 3: Cross multiply
    14,088.60x = 21,136.50 × 5,323.56
  4. Step 4: Simplify right side
    14,088.60x = 112,521,425.94
  5. Step 5: Solve for x
    x = 112,521,425.94/14,088.60
  6. Step 6: Final answer
    x = 7,986.70

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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.