Home / 14,220.69-19,623.73-8,554.13

Finding the Fourth Proportional to 14,220.69, 19,623.73 and 8,554.13

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Solution

The fourth proportional to 14,220.69, 19,623.73 and 8,554.13 is: 11,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.69 : 19,623.73 = 8,554.13 : x
  2. Step 2: Convert to fraction form
    14,220.69/19,623.73 = 8,554.13/x
  3. Step 3: Cross multiply
    14,220.69x = 19,623.73 × 8,554.13
  4. Step 4: Simplify right side
    14,220.69x = 167,863,937.50
  5. Step 5: Solve for x
    x = 167,863,937.50/14,220.69
  6. Step 6: Final answer
    x = 11,804.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.