Home / 14,127.65-21,192.23-4,266.68

Finding the Fourth Proportional to 14,127.65, 21,192.23 and 4,266.68

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Solution

The fourth proportional to 14,127.65, 21,192.23 and 4,266.68 is: 6,400.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.65 : 21,192.23 = 4,266.68 : x
  2. Step 2: Convert to fraction form
    14,127.65/21,192.23 = 4,266.68/x
  3. Step 3: Cross multiply
    14,127.65x = 21,192.23 × 4,266.68
  4. Step 4: Simplify right side
    14,127.65x = 90,420,368.60
  5. Step 5: Solve for x
    x = 90,420,368.60/14,127.65
  6. Step 6: Final answer
    x = 6,400.24

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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.