Home / 26,126.66-39,192.04-7,406.40

Finding the Fourth Proportional to 26,126.66, 39,192.04 and 7,406.40

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Solution

The fourth proportional to 26,126.66, 39,192.04 and 7,406.40 is: 11,110.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,126.66 : 39,192.04 = 7,406.40 : x
  2. Step 2: Convert to fraction form
    26,126.66/39,192.04 = 7,406.40/x
  3. Step 3: Cross multiply
    26,126.66x = 39,192.04 × 7,406.40
  4. Step 4: Simplify right side
    26,126.66x = 290,271,925.06
  5. Step 5: Solve for x
    x = 290,271,925.06/26,126.66
  6. Step 6: Final answer
    x = 11,110.18

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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.