Home / 14,324.40-21,461.19-12,223.08

Finding the Fourth Proportional to 14,324.40, 21,461.19 and 12,223.08

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Solution

The fourth proportional to 14,324.40, 21,461.19 and 12,223.08 is: 18,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,324.40 : 21,461.19 = 12,223.08 : x
  2. Step 2: Convert to fraction form
    14,324.40/21,461.19 = 12,223.08/x
  3. Step 3: Cross multiply
    14,324.40x = 21,461.19 × 12,223.08
  4. Step 4: Simplify right side
    14,324.40x = 262,321,842.27
  5. Step 5: Solve for x
    x = 262,321,842.27/14,324.40
  6. Step 6: Final answer
    x = 18,312.94

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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.