Home / 19,486.90-26,891.75-10,534.32

Finding the Fourth Proportional to 19,486.90, 26,891.75 and 10,534.32

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Solution

The fourth proportional to 19,486.90, 26,891.75 and 10,534.32 is: 14,537.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.90 : 26,891.75 = 10,534.32 : x
  2. Step 2: Convert to fraction form
    19,486.90/26,891.75 = 10,534.32/x
  3. Step 3: Cross multiply
    19,486.90x = 26,891.75 × 10,534.32
  4. Step 4: Simplify right side
    19,486.90x = 283,286,299.86
  5. Step 5: Solve for x
    x = 283,286,299.86/19,486.90
  6. Step 6: Final answer
    x = 14,537.27

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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.