Home / 14,220.72-19,606.26-9,736.74

Finding the Fourth Proportional to 14,220.72, 19,606.26 and 9,736.74

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Solution

The fourth proportional to 14,220.72, 19,606.26 and 9,736.74 is: 13,424.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.72 : 19,606.26 = 9,736.74 : x
  2. Step 2: Convert to fraction form
    14,220.72/19,606.26 = 9,736.74/x
  3. Step 3: Cross multiply
    14,220.72x = 19,606.26 × 9,736.74
  4. Step 4: Simplify right side
    14,220.72x = 190,901,055.99
  5. Step 5: Solve for x
    x = 190,901,055.99/14,220.72
  6. Step 6: Final answer
    x = 13,424.15

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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.