Home / 19,533.16-29,299.92-4,742.21

Finding the Fourth Proportional to 19,533.16, 29,299.92 and 4,742.21

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Solution

The fourth proportional to 19,533.16, 29,299.92 and 4,742.21 is: 7,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,533.16 : 29,299.92 = 4,742.21 : x
  2. Step 2: Convert to fraction form
    19,533.16/29,299.92 = 4,742.21/x
  3. Step 3: Cross multiply
    19,533.16x = 29,299.92 × 4,742.21
  4. Step 4: Simplify right side
    19,533.16x = 138,946,227.12
  5. Step 5: Solve for x
    x = 138,946,227.12/19,533.16
  6. Step 6: Final answer
    x = 7,113.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.