Home / 27,087.49-40,603.53-9,312.82

Finding the Fourth Proportional to 27,087.49, 40,603.53 and 9,312.82

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Solution

The fourth proportional to 27,087.49, 40,603.53 and 9,312.82 is: 13,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,087.49 : 40,603.53 = 9,312.82 : x
  2. Step 2: Convert to fraction form
    27,087.49/40,603.53 = 9,312.82/x
  3. Step 3: Cross multiply
    27,087.49x = 40,603.53 × 9,312.82
  4. Step 4: Simplify right side
    27,087.49x = 378,133,366.25
  5. Step 5: Solve for x
    x = 378,133,366.25/27,087.49
  6. Step 6: Final answer
    x = 13,959.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.