Home / 15,349.16-21,157.16-11,462.29

Finding the Fourth Proportional to 15,349.16, 21,157.16 and 11,462.29

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Solution

The fourth proportional to 15,349.16, 21,157.16 and 11,462.29 is: 15,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,349.16 : 21,157.16 = 11,462.29 : x
  2. Step 2: Convert to fraction form
    15,349.16/21,157.16 = 11,462.29/x
  3. Step 3: Cross multiply
    15,349.16x = 21,157.16 × 11,462.29
  4. Step 4: Simplify right side
    15,349.16x = 242,509,393.29
  5. Step 5: Solve for x
    x = 242,509,393.29/15,349.16
  6. Step 6: Final answer
    x = 15,799.52

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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.