Home / 19,165.76-26,447.36-10,782.08

Finding the Fourth Proportional to 19,165.76, 26,447.36 and 10,782.08

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Solution

The fourth proportional to 19,165.76, 26,447.36 and 10,782.08 is: 14,878.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.76 : 26,447.36 = 10,782.08 : x
  2. Step 2: Convert to fraction form
    19,165.76/26,447.36 = 10,782.08/x
  3. Step 3: Cross multiply
    19,165.76x = 26,447.36 × 10,782.08
  4. Step 4: Simplify right side
    19,165.76x = 285,157,551.31
  5. Step 5: Solve for x
    x = 285,157,551.31/19,165.76
  6. Step 6: Final answer
    x = 14,878.49

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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.