Home / 14,155.29-21,225.64-5,266.95

Finding the Fourth Proportional to 14,155.29, 21,225.64 and 5,266.95

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Solution

The fourth proportional to 14,155.29, 21,225.64 and 5,266.95 is: 7,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.29 : 21,225.64 = 5,266.95 : x
  2. Step 2: Convert to fraction form
    14,155.29/21,225.64 = 5,266.95/x
  3. Step 3: Cross multiply
    14,155.29x = 21,225.64 × 5,266.95
  4. Step 4: Simplify right side
    14,155.29x = 111,794,384.60
  5. Step 5: Solve for x
    x = 111,794,384.60/14,155.29
  6. Step 6: Final answer
    x = 7,897.71

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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.