Home / 13,976.23-19,287.54-7,603.17

Finding the Fourth Proportional to 13,976.23, 19,287.54 and 7,603.17

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Solution

The fourth proportional to 13,976.23, 19,287.54 and 7,603.17 is: 10,492.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.23 : 19,287.54 = 7,603.17 : x
  2. Step 2: Convert to fraction form
    13,976.23/19,287.54 = 7,603.17/x
  3. Step 3: Cross multiply
    13,976.23x = 19,287.54 × 7,603.17
  4. Step 4: Simplify right side
    13,976.23x = 146,646,557.30
  5. Step 5: Solve for x
    x = 146,646,557.30/13,976.23
  6. Step 6: Final answer
    x = 10,492.57

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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.