Home / 19,342.94-28,975.53-10,089.50

Finding the Fourth Proportional to 19,342.94, 28,975.53 and 10,089.50

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Solution

The fourth proportional to 19,342.94, 28,975.53 and 10,089.50 is: 15,113.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,342.94 : 28,975.53 = 10,089.50 : x
  2. Step 2: Convert to fraction form
    19,342.94/28,975.53 = 10,089.50/x
  3. Step 3: Cross multiply
    19,342.94x = 28,975.53 × 10,089.50
  4. Step 4: Simplify right side
    19,342.94x = 292,348,609.94
  5. Step 5: Solve for x
    x = 292,348,609.94/19,342.94
  6. Step 6: Final answer
    x = 15,113.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.