Home / 13,873.77-19,145.24-7,904.93

Finding the Fourth Proportional to 13,873.77, 19,145.24 and 7,904.93

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Solution

The fourth proportional to 13,873.77, 19,145.24 and 7,904.93 is: 10,908.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873.77 : 19,145.24 = 7,904.93 : x
  2. Step 2: Convert to fraction form
    13,873.77/19,145.24 = 7,904.93/x
  3. Step 3: Cross multiply
    13,873.77x = 19,145.24 × 7,904.93
  4. Step 4: Simplify right side
    13,873.77x = 151,341,646.78
  5. Step 5: Solve for x
    x = 151,341,646.78/13,873.77
  6. Step 6: Final answer
    x = 10,908.47

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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.