Home / 19,230.21-26,501.04-13,251.06

Finding the Fourth Proportional to 19,230.21, 26,501.04 and 13,251.06

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Solution

The fourth proportional to 19,230.21, 26,501.04 and 13,251.06 is: 18,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230.21 : 26,501.04 = 13,251.06 : x
  2. Step 2: Convert to fraction form
    19,230.21/26,501.04 = 13,251.06/x
  3. Step 3: Cross multiply
    19,230.21x = 26,501.04 × 13,251.06
  4. Step 4: Simplify right side
    19,230.21x = 351,166,871.10
  5. Step 5: Solve for x
    x = 351,166,871.10/19,230.21
  6. Step 6: Final answer
    x = 18,261.21

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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.