Home / 19,185.52-26,475.95-10,687.75

Finding the Fourth Proportional to 19,185.52, 26,475.95 and 10,687.75

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Solution

The fourth proportional to 19,185.52, 26,475.95 and 10,687.75 is: 14,749.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.52 : 26,475.95 = 10,687.75 : x
  2. Step 2: Convert to fraction form
    19,185.52/26,475.95 = 10,687.75/x
  3. Step 3: Cross multiply
    19,185.52x = 26,475.95 × 10,687.75
  4. Step 4: Simplify right side
    19,185.52x = 282,968,334.61
  5. Step 5: Solve for x
    x = 282,968,334.61/19,185.52
  6. Step 6: Final answer
    x = 14,749.06

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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.