Home / 14,097.16-21,145.74-5,339.56

Finding the Fourth Proportional to 14,097.16, 21,145.74 and 5,339.56

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Solution

The fourth proportional to 14,097.16, 21,145.74 and 5,339.56 is: 8,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,097.16 : 21,145.74 = 5,339.56 : x
  2. Step 2: Convert to fraction form
    14,097.16/21,145.74 = 5,339.56/x
  3. Step 3: Cross multiply
    14,097.16x = 21,145.74 × 5,339.56
  4. Step 4: Simplify right side
    14,097.16x = 112,908,947.47
  5. Step 5: Solve for x
    x = 112,908,947.47/14,097.16
  6. Step 6: Final answer
    x = 8,009.34

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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.