Home / 19,322.92-26,649.30-13,345.12

Finding the Fourth Proportional to 19,322.92, 26,649.30 and 13,345.12

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Solution

The fourth proportional to 19,322.92, 26,649.30 and 13,345.12 is: 18,404.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.92 : 26,649.30 = 13,345.12 : x
  2. Step 2: Convert to fraction form
    19,322.92/26,649.30 = 13,345.12/x
  3. Step 3: Cross multiply
    19,322.92x = 26,649.30 × 13,345.12
  4. Step 4: Simplify right side
    19,322.92x = 355,638,106.42
  5. Step 5: Solve for x
    x = 355,638,106.42/19,322.92
  6. Step 6: Final answer
    x = 18,404.99

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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.