Home / 16,107.13-22,238.18-13,130.11

Finding the Fourth Proportional to 16,107.13, 22,238.18 and 13,130.11

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Solution

The fourth proportional to 16,107.13, 22,238.18 and 13,130.11 is: 18,127.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,107.13 : 22,238.18 = 13,130.11 : x
  2. Step 2: Convert to fraction form
    16,107.13/22,238.18 = 13,130.11/x
  3. Step 3: Cross multiply
    16,107.13x = 22,238.18 × 13,130.11
  4. Step 4: Simplify right side
    16,107.13x = 291,989,749.60
  5. Step 5: Solve for x
    x = 291,989,749.60/16,107.13
  6. Step 6: Final answer
    x = 18,127.98

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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.