Home / 14,730.71-20,328.57-8,016.48

Finding the Fourth Proportional to 14,730.71, 20,328.57 and 8,016.48

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Solution

The fourth proportional to 14,730.71, 20,328.57 and 8,016.48 is: 11,062.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,730.71 : 20,328.57 = 8,016.48 : x
  2. Step 2: Convert to fraction form
    14,730.71/20,328.57 = 8,016.48/x
  3. Step 3: Cross multiply
    14,730.71x = 20,328.57 × 8,016.48
  4. Step 4: Simplify right side
    14,730.71x = 162,963,574.83
  5. Step 5: Solve for x
    x = 162,963,574.83/14,730.71
  6. Step 6: Final answer
    x = 11,062.85

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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.