Home / 14,001.93-19,322.62-7,628.40

Finding the Fourth Proportional to 14,001.93, 19,322.62 and 7,628.40

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Solution

The fourth proportional to 14,001.93, 19,322.62 and 7,628.40 is: 10,527.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.93 : 19,322.62 = 7,628.40 : x
  2. Step 2: Convert to fraction form
    14,001.93/19,322.62 = 7,628.40/x
  3. Step 3: Cross multiply
    14,001.93x = 19,322.62 × 7,628.40
  4. Step 4: Simplify right side
    14,001.93x = 147,400,655.34
  5. Step 5: Solve for x
    x = 147,400,655.34/14,001.93
  6. Step 6: Final answer
    x = 10,527.17

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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.