Home / 19,275.76-28,905.48-6,124.60

Finding the Fourth Proportional to 19,275.76, 28,905.48 and 6,124.60

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Solution

The fourth proportional to 19,275.76, 28,905.48 and 6,124.60 is: 9,184.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275.76 : 28,905.48 = 6,124.60 : x
  2. Step 2: Convert to fraction form
    19,275.76/28,905.48 = 6,124.60/x
  3. Step 3: Cross multiply
    19,275.76x = 28,905.48 × 6,124.60
  4. Step 4: Simplify right side
    19,275.76x = 177,034,502.81
  5. Step 5: Solve for x
    x = 177,034,502.81/19,275.76
  6. Step 6: Final answer
    x = 9,184.31

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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.