Home / 19,113.88-26,338.26-14,637.64

Finding the Fourth Proportional to 19,113.88, 26,338.26 and 14,637.64

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Solution

The fourth proportional to 19,113.88, 26,338.26 and 14,637.64 is: 20,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.88 : 26,338.26 = 14,637.64 : x
  2. Step 2: Convert to fraction form
    19,113.88/26,338.26 = 14,637.64/x
  3. Step 3: Cross multiply
    19,113.88x = 26,338.26 × 14,637.64
  4. Step 4: Simplify right side
    19,113.88x = 385,529,968.11
  5. Step 5: Solve for x
    x = 385,529,968.11/19,113.88
  6. Step 6: Final answer
    x = 20,170.16

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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.