Home / 27,087.63-40,639.54-11,506.47

Finding the Fourth Proportional to 27,087.63, 40,639.54 and 11,506.47

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Solution

The fourth proportional to 27,087.63, 40,639.54 and 11,506.47 is: 17,263.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,087.63 : 40,639.54 = 11,506.47 : x
  2. Step 2: Convert to fraction form
    27,087.63/40,639.54 = 11,506.47/x
  3. Step 3: Cross multiply
    27,087.63x = 40,639.54 × 11,506.47
  4. Step 4: Simplify right side
    27,087.63x = 467,617,647.82
  5. Step 5: Solve for x
    x = 467,617,647.82/27,087.63
  6. Step 6: Final answer
    x = 17,263.14

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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.