Home / 19,188.60-26,475.66-10,805.10

Finding the Fourth Proportional to 19,188.60, 26,475.66 and 10,805.10

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Solution

The fourth proportional to 19,188.60, 26,475.66 and 10,805.10 is: 14,908.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.60 : 26,475.66 = 10,805.10 : x
  2. Step 2: Convert to fraction form
    19,188.60/26,475.66 = 10,805.10/x
  3. Step 3: Cross multiply
    19,188.60x = 26,475.66 × 10,805.10
  4. Step 4: Simplify right side
    19,188.60x = 286,072,153.87
  5. Step 5: Solve for x
    x = 286,072,153.87/19,188.60
  6. Step 6: Final answer
    x = 14,908.44

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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.