Home / 14,141.44-19,515.36-7,854.40

Finding the Fourth Proportional to 14,141.44, 19,515.36 and 7,854.40

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Solution

The fourth proportional to 14,141.44, 19,515.36 and 7,854.40 is: 10,839.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.44 : 19,515.36 = 7,854.40 : x
  2. Step 2: Convert to fraction form
    14,141.44/19,515.36 = 7,854.40/x
  3. Step 3: Cross multiply
    14,141.44x = 19,515.36 × 7,854.40
  4. Step 4: Simplify right side
    14,141.44x = 153,281,443.58
  5. Step 5: Solve for x
    x = 153,281,443.58/14,141.44
  6. Step 6: Final answer
    x = 10,839.17

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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.