Home / 13,925.97-19,215.43-7,873.45

Finding the Fourth Proportional to 13,925.97, 19,215.43 and 7,873.45

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Solution

The fourth proportional to 13,925.97, 19,215.43 and 7,873.45 is: 10,864.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.97 : 19,215.43 = 7,873.45 : x
  2. Step 2: Convert to fraction form
    13,925.97/19,215.43 = 7,873.45/x
  3. Step 3: Cross multiply
    13,925.97x = 19,215.43 × 7,873.45
  4. Step 4: Simplify right side
    13,925.97x = 151,291,727.33
  5. Step 5: Solve for x
    x = 151,291,727.33/13,925.97
  6. Step 6: Final answer
    x = 10,864.00

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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.