Home / 13,975.74-19,285.66-7,602.28

Finding the Fourth Proportional to 13,975.74, 19,285.66 and 7,602.28

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Solution

The fourth proportional to 13,975.74, 19,285.66 and 7,602.28 is: 10,490.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.74 : 19,285.66 = 7,602.28 : x
  2. Step 2: Convert to fraction form
    13,975.74/19,285.66 = 7,602.28/x
  3. Step 3: Cross multiply
    13,975.74x = 19,285.66 × 7,602.28
  4. Step 4: Simplify right side
    13,975.74x = 146,614,987.30
  5. Step 5: Solve for x
    x = 146,614,987.30/13,975.74
  6. Step 6: Final answer
    x = 10,490.68

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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.