Home / 13,904.08-19,187.56-7,616.48

Finding the Fourth Proportional to 13,904.08, 19,187.56 and 7,616.48

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Solution

The fourth proportional to 13,904.08, 19,187.56 and 7,616.48 is: 10,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.08 : 19,187.56 = 7,616.48 : x
  2. Step 2: Convert to fraction form
    13,904.08/19,187.56 = 7,616.48/x
  3. Step 3: Cross multiply
    13,904.08x = 19,187.56 × 7,616.48
  4. Step 4: Simplify right side
    13,904.08x = 146,141,666.99
  5. Step 5: Solve for x
    x = 146,141,666.99/13,904.08
  6. Step 6: Final answer
    x = 10,510.70

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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.