Home / 26,868.67-37,078.45-14,931.75

Finding the Fourth Proportional to 26,868.67, 37,078.45 and 14,931.75

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Solution

The fourth proportional to 26,868.67, 37,078.45 and 14,931.75 is: 20,605.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,868.67 : 37,078.45 = 14,931.75 : x
  2. Step 2: Convert to fraction form
    26,868.67/37,078.45 = 14,931.75/x
  3. Step 3: Cross multiply
    26,868.67x = 37,078.45 × 14,931.75
  4. Step 4: Simplify right side
    26,868.67x = 553,646,145.79
  5. Step 5: Solve for x
    x = 553,646,145.79/26,868.67
  6. Step 6: Final answer
    x = 20,605.64

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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.