Home / 19,242.24-26,550.72-10,857.12

Finding the Fourth Proportional to 19,242.24, 26,550.72 and 10,857.12

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Solution

The fourth proportional to 19,242.24, 26,550.72 and 10,857.12 is: 14,980.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.24 : 26,550.72 = 10,857.12 : x
  2. Step 2: Convert to fraction form
    19,242.24/26,550.72 = 10,857.12/x
  3. Step 3: Cross multiply
    19,242.24x = 26,550.72 × 10,857.12
  4. Step 4: Simplify right side
    19,242.24x = 288,264,353.13
  5. Step 5: Solve for x
    x = 288,264,353.13/19,242.24
  6. Step 6: Final answer
    x = 14,980.81

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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.