Home / 26,579.40-36,681.24-14,642.72

Finding the Fourth Proportional to 26,579.40, 36,681.24 and 14,642.72

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Solution

The fourth proportional to 26,579.40, 36,681.24 and 14,642.72 is: 20,207.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,579.40 : 36,681.24 = 14,642.72 : x
  2. Step 2: Convert to fraction form
    26,579.40/36,681.24 = 14,642.72/x
  3. Step 3: Cross multiply
    26,579.40x = 36,681.24 × 14,642.72
  4. Step 4: Simplify right side
    26,579.40x = 537,113,126.57
  5. Step 5: Solve for x
    x = 537,113,126.57/26,579.40
  6. Step 6: Final answer
    x = 20,207.87

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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.