Home / 19,455.12-26,846.01-10,955.88

Finding the Fourth Proportional to 19,455.12, 26,846.01 and 10,955.88

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Solution

The fourth proportional to 19,455.12, 26,846.01 and 10,955.88 is: 15,117.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.12 : 26,846.01 = 10,955.88 : x
  2. Step 2: Convert to fraction form
    19,455.12/26,846.01 = 10,955.88/x
  3. Step 3: Cross multiply
    19,455.12x = 26,846.01 × 10,955.88
  4. Step 4: Simplify right side
    19,455.12x = 294,121,664.04
  5. Step 5: Solve for x
    x = 294,121,664.04/19,455.12
  6. Step 6: Final answer
    x = 15,117.96

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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.