Home / 14,058.12-19,400.62-7,685.07

Finding the Fourth Proportional to 14,058.12, 19,400.62 and 7,685.07

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Solution

The fourth proportional to 14,058.12, 19,400.62 and 7,685.07 is: 10,605.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058.12 : 19,400.62 = 7,685.07 : x
  2. Step 2: Convert to fraction form
    14,058.12/19,400.62 = 7,685.07/x
  3. Step 3: Cross multiply
    14,058.12x = 19,400.62 × 7,685.07
  4. Step 4: Simplify right side
    14,058.12x = 149,095,122.74
  5. Step 5: Solve for x
    x = 149,095,122.74/14,058.12
  6. Step 6: Final answer
    x = 10,605.62

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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.