Home / 26,089.56-39,147.84-12,941.64

Finding the Fourth Proportional to 26,089.56, 39,147.84 and 12,941.64

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Solution

The fourth proportional to 26,089.56, 39,147.84 and 12,941.64 is: 19,419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,089.56 : 39,147.84 = 12,941.64 : x
  2. Step 2: Convert to fraction form
    26,089.56/39,147.84 = 12,941.64/x
  3. Step 3: Cross multiply
    26,089.56x = 39,147.84 × 12,941.64
  4. Step 4: Simplify right side
    26,089.56x = 506,637,252.06
  5. Step 5: Solve for x
    x = 506,637,252.06/26,089.56
  6. Step 6: Final answer
    x = 19,419.16

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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.