Home / 14,141.48-19,515.40-7,853.84

Finding the Fourth Proportional to 14,141.48, 19,515.40 and 7,853.84

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Solution

The fourth proportional to 14,141.48, 19,515.40 and 7,853.84 is: 10,838.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.48 : 19,515.40 = 7,853.84 : x
  2. Step 2: Convert to fraction form
    14,141.48/19,515.40 = 7,853.84/x
  3. Step 3: Cross multiply
    14,141.48x = 19,515.40 × 7,853.84
  4. Step 4: Simplify right side
    14,141.48x = 153,270,829.14
  5. Step 5: Solve for x
    x = 153,270,829.14/14,141.48
  6. Step 6: Final answer
    x = 10,838.39

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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.