Home / 14,314.21-21,437.37-11,343.10

Finding the Fourth Proportional to 14,314.21, 21,437.37 and 11,343.10

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Solution

The fourth proportional to 14,314.21, 21,437.37 and 11,343.10 is: 16,987.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,314.21 : 21,437.37 = 11,343.10 : x
  2. Step 2: Convert to fraction form
    14,314.21/21,437.37 = 11,343.10/x
  3. Step 3: Cross multiply
    14,314.21x = 21,437.37 × 11,343.10
  4. Step 4: Simplify right side
    14,314.21x = 243,166,124.46
  5. Step 5: Solve for x
    x = 243,166,124.46/14,314.21
  6. Step 6: Final answer
    x = 16,987.75

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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.