Home / 19,485.28-26,883.12-11,095.84

Finding the Fourth Proportional to 19,485.28, 26,883.12 and 11,095.84

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Solution

The fourth proportional to 19,485.28, 26,883.12 and 11,095.84 is: 15,308.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485.28 : 26,883.12 = 11,095.84 : x
  2. Step 2: Convert to fraction form
    19,485.28/26,883.12 = 11,095.84/x
  3. Step 3: Cross multiply
    19,485.28x = 26,883.12 × 11,095.84
  4. Step 4: Simplify right side
    19,485.28x = 298,290,798.22
  5. Step 5: Solve for x
    x = 298,290,798.22/19,485.28
  6. Step 6: Final answer
    x = 15,308.52

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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.