Home / 14,588.83-20,135.58-9,490.72

Finding the Fourth Proportional to 14,588.83, 20,135.58 and 9,490.72

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Solution

The fourth proportional to 14,588.83, 20,135.58 and 9,490.72 is: 13,099.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,588.83 : 20,135.58 = 9,490.72 : x
  2. Step 2: Convert to fraction form
    14,588.83/20,135.58 = 9,490.72/x
  3. Step 3: Cross multiply
    14,588.83x = 20,135.58 × 9,490.72
  4. Step 4: Simplify right side
    14,588.83x = 191,101,151.82
  5. Step 5: Solve for x
    x = 191,101,151.82/14,588.83
  6. Step 6: Final answer
    x = 13,099.14

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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.