Home / 15,266.54-21,068.04-9,958.32

Finding the Fourth Proportional to 15,266.54, 21,068.04 and 9,958.32

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Solution

The fourth proportional to 15,266.54, 21,068.04 and 9,958.32 is: 13,742.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,266.54 : 21,068.04 = 9,958.32 : x
  2. Step 2: Convert to fraction form
    15,266.54/21,068.04 = 9,958.32/x
  3. Step 3: Cross multiply
    15,266.54x = 21,068.04 × 9,958.32
  4. Step 4: Simplify right side
    15,266.54x = 209,802,284.09
  5. Step 5: Solve for x
    x = 209,802,284.09/15,266.54
  6. Step 6: Final answer
    x = 13,742.62

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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.