Home / 15,157.26-22,728.40-9,159.51

Finding the Fourth Proportional to 15,157.26, 22,728.40 and 9,159.51

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Solution

The fourth proportional to 15,157.26, 22,728.40 and 9,159.51 is: 13,734.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,157.26 : 22,728.40 = 9,159.51 : x
  2. Step 2: Convert to fraction form
    15,157.26/22,728.40 = 9,159.51/x
  3. Step 3: Cross multiply
    15,157.26x = 22,728.40 × 9,159.51
  4. Step 4: Simplify right side
    15,157.26x = 208,181,069.42
  5. Step 5: Solve for x
    x = 208,181,069.42/15,157.26
  6. Step 6: Final answer
    x = 13,734.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.