Home / 27,325.67-37,709.55-15,389.19

Finding the Fourth Proportional to 27,325.67, 37,709.55 and 15,389.19

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Solution

The fourth proportional to 27,325.67, 37,709.55 and 15,389.19 is: 21,237.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,325.67 : 37,709.55 = 15,389.19 : x
  2. Step 2: Convert to fraction form
    27,325.67/37,709.55 = 15,389.19/x
  3. Step 3: Cross multiply
    27,325.67x = 37,709.55 × 15,389.19
  4. Step 4: Simplify right side
    27,325.67x = 580,319,429.76
  5. Step 5: Solve for x
    x = 580,319,429.76/27,325.67
  6. Step 6: Final answer
    x = 21,237.16

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Half scale
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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.