Home / 15,448.26-21,307.28-10,141.14

Finding the Fourth Proportional to 15,448.26, 21,307.28 and 10,141.14

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Solution

The fourth proportional to 15,448.26, 21,307.28 and 10,141.14 is: 13,987.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,448.26 : 21,307.28 = 10,141.14 : x
  2. Step 2: Convert to fraction form
    15,448.26/21,307.28 = 10,141.14/x
  3. Step 3: Cross multiply
    15,448.26x = 21,307.28 × 10,141.14
  4. Step 4: Simplify right side
    15,448.26x = 216,080,058.79
  5. Step 5: Solve for x
    x = 216,080,058.79/15,448.26
  6. Step 6: Final answer
    x = 13,987.34

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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.