Home / 19,426.03-26,808.38-10,812.31

Finding the Fourth Proportional to 19,426.03, 26,808.38 and 10,812.31

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Solution

The fourth proportional to 19,426.03, 26,808.38 and 10,812.31 is: 14,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.03 : 26,808.38 = 10,812.31 : x
  2. Step 2: Convert to fraction form
    19,426.03/26,808.38 = 10,812.31/x
  3. Step 3: Cross multiply
    19,426.03x = 26,808.38 × 10,812.31
  4. Step 4: Simplify right side
    19,426.03x = 289,860,515.16
  5. Step 5: Solve for x
    x = 289,860,515.16/19,426.03
  6. Step 6: Final answer
    x = 14,921.24

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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.