Home / 14,001.80-19,322.48-7,714.18

Finding the Fourth Proportional to 14,001.80, 19,322.48 and 7,714.18

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Solution

The fourth proportional to 14,001.80, 19,322.48 and 7,714.18 is: 10,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.80 : 19,322.48 = 7,714.18 : x
  2. Step 2: Convert to fraction form
    14,001.80/19,322.48 = 7,714.18/x
  3. Step 3: Cross multiply
    14,001.80x = 19,322.48 × 7,714.18
  4. Step 4: Simplify right side
    14,001.80x = 149,057,045.32
  5. Step 5: Solve for x
    x = 149,057,045.32/14,001.80
  6. Step 6: Final answer
    x = 10,645.56

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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.