Home / 34,681.26-47,860.13-18,765.71

Finding the Fourth Proportional to 34,681.26, 47,860.13 and 18,765.71

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Solution

The fourth proportional to 34,681.26, 47,860.13 and 18,765.71 is: 25,896.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,681.26 : 47,860.13 = 18,765.71 : x
  2. Step 2: Convert to fraction form
    34,681.26/47,860.13 = 18,765.71/x
  3. Step 3: Cross multiply
    34,681.26x = 47,860.13 × 18,765.71
  4. Step 4: Simplify right side
    34,681.26x = 898,129,307.23
  5. Step 5: Solve for x
    x = 898,129,307.23/34,681.26
  6. Step 6: Final answer
    x = 25,896.67

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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.