Home / 19,607.68-27,032.10-13,309.12

Finding the Fourth Proportional to 19,607.68, 27,032.10 and 13,309.12

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Solution

The fourth proportional to 19,607.68, 27,032.10 and 13,309.12 is: 18,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,607.68 : 27,032.10 = 13,309.12 : x
  2. Step 2: Convert to fraction form
    19,607.68/27,032.10 = 13,309.12/x
  3. Step 3: Cross multiply
    19,607.68x = 27,032.10 × 13,309.12
  4. Step 4: Simplify right side
    19,607.68x = 359,773,462.75
  5. Step 5: Solve for x
    x = 359,773,462.75/19,607.68
  6. Step 6: Final answer
    x = 18,348.60

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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.