Home / 13,294.23-18,345.59-7,325.99

Finding the Fourth Proportional to 13,294.23, 18,345.59 and 7,325.99

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Solution

The fourth proportional to 13,294.23, 18,345.59 and 7,325.99 is: 10,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.23 : 18,345.59 = 7,325.99 : x
  2. Step 2: Convert to fraction form
    13,294.23/18,345.59 = 7,325.99/x
  3. Step 3: Cross multiply
    13,294.23x = 18,345.59 × 7,325.99
  4. Step 4: Simplify right side
    13,294.23x = 134,399,679.99
  5. Step 5: Solve for x
    x = 134,399,679.99/13,294.23
  6. Step 6: Final answer
    x = 10,109.63

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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.