Home / 18,975.90-26,186.72-10,592.40

Finding the Fourth Proportional to 18,975.90, 26,186.72 and 10,592.40

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Solution

The fourth proportional to 18,975.90, 26,186.72 and 10,592.40 is: 14,617.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.90 : 26,186.72 = 10,592.40 : x
  2. Step 2: Convert to fraction form
    18,975.90/26,186.72 = 10,592.40/x
  3. Step 3: Cross multiply
    18,975.90x = 26,186.72 × 10,592.40
  4. Step 4: Simplify right side
    18,975.90x = 277,380,212.93
  5. Step 5: Solve for x
    x = 277,380,212.93/18,975.90
  6. Step 6: Final answer
    x = 14,617.50

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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.