Home / 27,246.55-37,603.60-15,309.63

Finding the Fourth Proportional to 27,246.55, 37,603.60 and 15,309.63

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Solution

The fourth proportional to 27,246.55, 37,603.60 and 15,309.63 is: 21,129.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,246.55 : 37,603.60 = 15,309.63 : x
  2. Step 2: Convert to fraction form
    27,246.55/37,603.60 = 15,309.63/x
  3. Step 3: Cross multiply
    27,246.55x = 37,603.60 × 15,309.63
  4. Step 4: Simplify right side
    27,246.55x = 575,696,938.10
  5. Step 5: Solve for x
    x = 575,696,938.10/27,246.55
  6. Step 6: Final answer
    x = 21,129.17

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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.