Home / 14,320.58-21,460.10-10,168.72

Finding the Fourth Proportional to 14,320.58, 21,460.10 and 10,168.72

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Solution

The fourth proportional to 14,320.58, 21,460.10 and 10,168.72 is: 15,238.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.58 : 21,460.10 = 10,168.72 : x
  2. Step 2: Convert to fraction form
    14,320.58/21,460.10 = 10,168.72/x
  3. Step 3: Cross multiply
    14,320.58x = 21,460.10 × 10,168.72
  4. Step 4: Simplify right side
    14,320.58x = 218,221,748.07
  5. Step 5: Solve for x
    x = 218,221,748.07/14,320.58
  6. Step 6: Final answer
    x = 15,238.33

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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.