Home / 19,938.09-27,526.02-13,232.81

Finding the Fourth Proportional to 19,938.09, 27,526.02 and 13,232.81

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Solution

The fourth proportional to 19,938.09, 27,526.02 and 13,232.81 is: 18,268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.09 : 27,526.02 = 13,232.81 : x
  2. Step 2: Convert to fraction form
    19,938.09/27,526.02 = 13,232.81/x
  3. Step 3: Cross multiply
    19,938.09x = 27,526.02 × 13,232.81
  4. Step 4: Simplify right side
    19,938.09x = 364,246,592.72
  5. Step 5: Solve for x
    x = 364,246,592.72/19,938.09
  6. Step 6: Final answer
    x = 18,268.88

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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.