Home / 34,681.36-47,860.14-18,765.76

Finding the Fourth Proportional to 34,681.36, 47,860.14 and 18,765.76

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Solution

The fourth proportional to 34,681.36, 47,860.14 and 18,765.76 is: 25,896.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,681.36 : 47,860.14 = 18,765.76 : x
  2. Step 2: Convert to fraction form
    34,681.36/47,860.14 = 18,765.76/x
  3. Step 3: Cross multiply
    34,681.36x = 47,860.14 × 18,765.76
  4. Step 4: Simplify right side
    34,681.36x = 898,131,900.81
  5. Step 5: Solve for x
    x = 898,131,900.81/34,681.36
  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.