Home / 18,347.24-25,319.49-10,389.26

Finding the Fourth Proportional to 18,347.24, 25,319.49 and 10,389.26

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Solution

The fourth proportional to 18,347.24, 25,319.49 and 10,389.26 is: 14,337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.24 : 25,319.49 = 10,389.26 : x
  2. Step 2: Convert to fraction form
    18,347.24/25,319.49 = 10,389.26/x
  3. Step 3: Cross multiply
    18,347.24x = 25,319.49 × 10,389.26
  4. Step 4: Simplify right side
    18,347.24x = 263,050,764.68
  5. Step 5: Solve for x
    x = 263,050,764.68/18,347.24
  6. Step 6: Final answer
    x = 14,337.35

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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.