Home / 19,478.82-26,884.80-11,526.24

Finding the Fourth Proportional to 19,478.82, 26,884.80 and 11,526.24

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Solution

The fourth proportional to 19,478.82, 26,884.80 and 11,526.24 is: 15,908.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478.82 : 26,884.80 = 11,526.24 : x
  2. Step 2: Convert to fraction form
    19,478.82/26,884.80 = 11,526.24/x
  3. Step 3: Cross multiply
    19,478.82x = 26,884.80 × 11,526.24
  4. Step 4: Simplify right side
    19,478.82x = 309,880,657.15
  5. Step 5: Solve for x
    x = 309,880,657.15/19,478.82
  6. Step 6: Final answer
    x = 15,908.59

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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.