Home / 19,534.48-26,955.64-10,919.05

Finding the Fourth Proportional to 19,534.48, 26,955.64 and 10,919.05

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Solution

The fourth proportional to 19,534.48, 26,955.64 and 10,919.05 is: 15,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,534.48 : 26,955.64 = 10,919.05 : x
  2. Step 2: Convert to fraction form
    19,534.48/26,955.64 = 10,919.05/x
  3. Step 3: Cross multiply
    19,534.48x = 26,955.64 × 10,919.05
  4. Step 4: Simplify right side
    19,534.48x = 294,329,980.94
  5. Step 5: Solve for x
    x = 294,329,980.94/19,534.48
  6. Step 6: Final answer
    x = 15,067.20

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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.