Home / 14,042.09-21,048.38-5,605.28

Finding the Fourth Proportional to 14,042.09, 21,048.38 and 5,605.28

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Solution

The fourth proportional to 14,042.09, 21,048.38 and 5,605.28 is: 8,402.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.09 : 21,048.38 = 5,605.28 : x
  2. Step 2: Convert to fraction form
    14,042.09/21,048.38 = 5,605.28/x
  3. Step 3: Cross multiply
    14,042.09x = 21,048.38 × 5,605.28
  4. Step 4: Simplify right side
    14,042.09x = 117,982,088.04
  5. Step 5: Solve for x
    x = 117,982,088.04/14,042.09
  6. Step 6: Final answer
    x = 8,402.03

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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.