Home / 17,688.16-26,536.83-5,207.77

Finding the Fourth Proportional to 17,688.16, 26,536.83 and 5,207.77

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Solution

The fourth proportional to 17,688.16, 26,536.83 and 5,207.77 is: 7,813.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,688.16 : 26,536.83 = 5,207.77 : x
  2. Step 2: Convert to fraction form
    17,688.16/26,536.83 = 5,207.77/x
  3. Step 3: Cross multiply
    17,688.16x = 26,536.83 × 5,207.77
  4. Step 4: Simplify right side
    17,688.16x = 138,197,854.38
  5. Step 5: Solve for x
    x = 138,197,854.38/17,688.16
  6. Step 6: Final answer
    x = 7,813.01

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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.