Home / 14,141.04-19,515.60-7,853.28

Finding the Fourth Proportional to 14,141.04, 19,515.60 and 7,853.28

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Solution

The fourth proportional to 14,141.04, 19,515.60 and 7,853.28 is: 10,838.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.04 : 19,515.60 = 7,853.28 : x
  2. Step 2: Convert to fraction form
    14,141.04/19,515.60 = 7,853.28/x
  3. Step 3: Cross multiply
    14,141.04x = 19,515.60 × 7,853.28
  4. Step 4: Simplify right side
    14,141.04x = 153,261,471.17
  5. Step 5: Solve for x
    x = 153,261,471.17/14,141.04
  6. Step 6: Final answer
    x = 10,838.06

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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.