Home / 21,564.23-29,599.65-19,153.67

Finding the Fourth Proportional to 21,564.23, 29,599.65 and 19,153.67

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Solution

The fourth proportional to 21,564.23, 29,599.65 and 19,153.67 is: 26,290.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,564.23 : 29,599.65 = 19,153.67 : x
  2. Step 2: Convert to fraction form
    21,564.23/29,599.65 = 19,153.67/x
  3. Step 3: Cross multiply
    21,564.23x = 29,599.65 × 19,153.67
  4. Step 4: Simplify right side
    21,564.23x = 566,942,002.21
  5. Step 5: Solve for x
    x = 566,942,002.21/21,564.23
  6. Step 6: Final answer
    x = 26,290.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.