Home / 14,117.94-21,177.63-5,353.58

Finding the Fourth Proportional to 14,117.94, 21,177.63 and 5,353.58

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Solution

The fourth proportional to 14,117.94, 21,177.63 and 5,353.58 is: 8,030.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.94 : 21,177.63 = 5,353.58 : x
  2. Step 2: Convert to fraction form
    14,117.94/21,177.63 = 5,353.58/x
  3. Step 3: Cross multiply
    14,117.94x = 21,177.63 × 5,353.58
  4. Step 4: Simplify right side
    14,117.94x = 113,376,136.42
  5. Step 5: Solve for x
    x = 113,376,136.42/14,117.94
  6. Step 6: Final answer
    x = 8,030.64

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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.