Home / 19,436.03-26,821.40-10,938.15

Finding the Fourth Proportional to 19,436.03, 26,821.40 and 10,938.15

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Solution

The fourth proportional to 19,436.03, 26,821.40 and 10,938.15 is: 15,094.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.03 : 26,821.40 = 10,938.15 : x
  2. Step 2: Convert to fraction form
    19,436.03/26,821.40 = 10,938.15/x
  3. Step 3: Cross multiply
    19,436.03x = 26,821.40 × 10,938.15
  4. Step 4: Simplify right side
    19,436.03x = 293,376,441.72
  5. Step 5: Solve for x
    x = 293,376,441.72/19,436.03
  6. Step 6: Final answer
    x = 15,094.46

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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.