Home / 19,458.42-26,858.96-14,421.03

Finding the Fourth Proportional to 19,458.42, 26,858.96 and 14,421.03

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Solution

The fourth proportional to 19,458.42, 26,858.96 and 14,421.03 is: 19,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.42 : 26,858.96 = 14,421.03 : x
  2. Step 2: Convert to fraction form
    19,458.42/26,858.96 = 14,421.03/x
  3. Step 3: Cross multiply
    19,458.42x = 26,858.96 × 14,421.03
  4. Step 4: Simplify right side
    19,458.42x = 387,333,867.93
  5. Step 5: Solve for x
    x = 387,333,867.93/19,458.42
  6. Step 6: Final answer
    x = 19,905.72

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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.