Home / 14,218.13-19,629.06-9,860.33

Finding the Fourth Proportional to 14,218.13, 19,629.06 and 9,860.33

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Solution

The fourth proportional to 14,218.13, 19,629.06 and 9,860.33 is: 13,612.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.13 : 19,629.06 = 9,860.33 : x
  2. Step 2: Convert to fraction form
    14,218.13/19,629.06 = 9,860.33/x
  3. Step 3: Cross multiply
    14,218.13x = 19,629.06 × 9,860.33
  4. Step 4: Simplify right side
    14,218.13x = 193,549,009.19
  5. Step 5: Solve for x
    x = 193,549,009.19/14,218.13
  6. Step 6: Final answer
    x = 13,612.83

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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.