Home / 14,009.70-19,336.68-8,708.52

Finding the Fourth Proportional to 14,009.70, 19,336.68 and 8,708.52

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Solution

The fourth proportional to 14,009.70, 19,336.68 and 8,708.52 is: 12,019.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.70 : 19,336.68 = 8,708.52 : x
  2. Step 2: Convert to fraction form
    14,009.70/19,336.68 = 8,708.52/x
  3. Step 3: Cross multiply
    14,009.70x = 19,336.68 × 8,708.52
  4. Step 4: Simplify right side
    14,009.70x = 168,393,864.51
  5. Step 5: Solve for x
    x = 168,393,864.51/14,009.70
  6. Step 6: Final answer
    x = 12,019.81

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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.