Home / 15,179.07-22,649.88-13,603.01

Finding the Fourth Proportional to 15,179.07, 22,649.88 and 13,603.01

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Solution

The fourth proportional to 15,179.07, 22,649.88 and 13,603.01 is: 20,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179.07 : 22,649.88 = 13,603.01 : x
  2. Step 2: Convert to fraction form
    15,179.07/22,649.88 = 13,603.01/x
  3. Step 3: Cross multiply
    15,179.07x = 22,649.88 × 13,603.01
  4. Step 4: Simplify right side
    15,179.07x = 308,106,544.14
  5. Step 5: Solve for x
    x = 308,106,544.14/15,179.07
  6. Step 6: Final answer
    x = 20,298.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.