Home / 18,389.41-25,368.93-10,832.11

Finding the Fourth Proportional to 18,389.41, 25,368.93 and 10,832.11

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Solution

The fourth proportional to 18,389.41, 25,368.93 and 10,832.11 is: 14,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.41 : 25,368.93 = 10,832.11 : x
  2. Step 2: Convert to fraction form
    18,389.41/25,368.93 = 10,832.11/x
  3. Step 3: Cross multiply
    18,389.41x = 25,368.93 × 10,832.11
  4. Step 4: Simplify right side
    18,389.41x = 274,799,040.34
  5. Step 5: Solve for x
    x = 274,799,040.34/18,389.41
  6. Step 6: Final answer
    x = 14,943.33

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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.