Home / 14,171.04-19,555.56-7,883.28

Finding the Fourth Proportional to 14,171.04, 19,555.56 and 7,883.28

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Solution

The fourth proportional to 14,171.04, 19,555.56 and 7,883.28 is: 10,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.04 : 19,555.56 = 7,883.28 : x
  2. Step 2: Convert to fraction form
    14,171.04/19,555.56 = 7,883.28/x
  3. Step 3: Cross multiply
    14,171.04x = 19,555.56 × 7,883.28
  4. Step 4: Simplify right side
    14,171.04x = 154,161,955.04
  5. Step 5: Solve for x
    x = 154,161,955.04/14,171.04
  6. Step 6: Final answer
    x = 10,878.66

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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.