Home / 14,002.12-19,323.39-7,714.63

Finding the Fourth Proportional to 14,002.12, 19,323.39 and 7,714.63

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Solution

The fourth proportional to 14,002.12, 19,323.39 and 7,714.63 is: 10,646.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.12 : 19,323.39 = 7,714.63 : x
  2. Step 2: Convert to fraction form
    14,002.12/19,323.39 = 7,714.63/x
  3. Step 3: Cross multiply
    14,002.12x = 19,323.39 × 7,714.63
  4. Step 4: Simplify right side
    14,002.12x = 149,072,804.20
  5. Step 5: Solve for x
    x = 149,072,804.20/14,002.12
  6. Step 6: Final answer
    x = 10,646.45

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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.