Home / 19,431.64-26,812.32-10,932.58

Finding the Fourth Proportional to 19,431.64, 26,812.32 and 10,932.58

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Solution

The fourth proportional to 19,431.64, 26,812.32 and 10,932.58 is: 15,085.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431.64 : 26,812.32 = 10,932.58 : x
  2. Step 2: Convert to fraction form
    19,431.64/26,812.32 = 10,932.58/x
  3. Step 3: Cross multiply
    19,431.64x = 26,812.32 × 10,932.58
  4. Step 4: Simplify right side
    19,431.64x = 293,127,833.39
  5. Step 5: Solve for x
    x = 293,127,833.39/19,431.64
  6. Step 6: Final answer
    x = 15,085.08

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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.