Home / 14,296.63-21,421.24-10,115.92

Finding the Fourth Proportional to 14,296.63, 21,421.24 and 10,115.92

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Solution

The fourth proportional to 14,296.63, 21,421.24 and 10,115.92 is: 15,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,296.63 : 21,421.24 = 10,115.92 : x
  2. Step 2: Convert to fraction form
    14,296.63/21,421.24 = 10,115.92/x
  3. Step 3: Cross multiply
    14,296.63x = 21,421.24 × 10,115.92
  4. Step 4: Simplify right side
    14,296.63x = 216,695,392.46
  5. Step 5: Solve for x
    x = 216,695,392.46/14,296.63
  6. Step 6: Final answer
    x = 15,157.10

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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.