Home / 16,470.87-22,730.18-9,303.09

Finding the Fourth Proportional to 16,470.87, 22,730.18 and 9,303.09

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Solution

The fourth proportional to 16,470.87, 22,730.18 and 9,303.09 is: 12,838.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,470.87 : 22,730.18 = 9,303.09 : x
  2. Step 2: Convert to fraction form
    16,470.87/22,730.18 = 9,303.09/x
  3. Step 3: Cross multiply
    16,470.87x = 22,730.18 × 9,303.09
  4. Step 4: Simplify right side
    16,470.87x = 211,460,939.81
  5. Step 5: Solve for x
    x = 211,460,939.81/16,470.87
  6. Step 6: Final answer
    x = 12,838.48

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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.