Home / 14,148.10-21,222.15-9,223.30

Finding the Fourth Proportional to 14,148.10, 21,222.15 and 9,223.30

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Solution

The fourth proportional to 14,148.10, 21,222.15 and 9,223.30 is: 13,834.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.10 : 21,222.15 = 9,223.30 : x
  2. Step 2: Convert to fraction form
    14,148.10/21,222.15 = 9,223.30/x
  3. Step 3: Cross multiply
    14,148.10x = 21,222.15 × 9,223.30
  4. Step 4: Simplify right side
    14,148.10x = 195,738,256.10
  5. Step 5: Solve for x
    x = 195,738,256.10/14,148.10
  6. Step 6: Final answer
    x = 13,834.95

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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.