Home / 14,001.59-19,322.11-7,628.51

Finding the Fourth Proportional to 14,001.59, 19,322.11 and 7,628.51

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Solution

The fourth proportional to 14,001.59, 19,322.11 and 7,628.51 is: 10,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.59 : 19,322.11 = 7,628.51 : x
  2. Step 2: Convert to fraction form
    14,001.59/19,322.11 = 7,628.51/x
  3. Step 3: Cross multiply
    14,001.59x = 19,322.11 × 7,628.51
  4. Step 4: Simplify right side
    14,001.59x = 147,398,967.20
  5. Step 5: Solve for x
    x = 147,398,967.20/14,001.59
  6. Step 6: Final answer
    x = 10,527.30

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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.