Home / 27,583.61-38,066.12-15,648.74

Finding the Fourth Proportional to 27,583.61, 38,066.12 and 15,648.74

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Solution

The fourth proportional to 27,583.61, 38,066.12 and 15,648.74 is: 21,595.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,583.61 : 38,066.12 = 15,648.74 : x
  2. Step 2: Convert to fraction form
    27,583.61/38,066.12 = 15,648.74/x
  3. Step 3: Cross multiply
    27,583.61x = 38,066.12 × 15,648.74
  4. Step 4: Simplify right side
    27,583.61x = 595,686,546.11
  5. Step 5: Solve for x
    x = 595,686,546.11/27,583.61
  6. Step 6: Final answer
    x = 21,595.67

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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.