Home / 19,396.08-26,765.16-12,695.04

Finding the Fourth Proportional to 19,396.08, 26,765.16 and 12,695.04

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Solution

The fourth proportional to 19,396.08, 26,765.16 and 12,695.04 is: 17,518.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.08 : 26,765.16 = 12,695.04 : x
  2. Step 2: Convert to fraction form
    19,396.08/26,765.16 = 12,695.04/x
  3. Step 3: Cross multiply
    19,396.08x = 26,765.16 × 12,695.04
  4. Step 4: Simplify right side
    19,396.08x = 339,784,776.81
  5. Step 5: Solve for x
    x = 339,784,776.81/19,396.08
  6. Step 6: Final answer
    x = 17,518.22

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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.