Home / 19,603.03-27,050.58-11,535.40

Finding the Fourth Proportional to 19,603.03, 27,050.58 and 11,535.40

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Solution

The fourth proportional to 19,603.03, 27,050.58 and 11,535.40 is: 15,917.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.03 : 27,050.58 = 11,535.40 : x
  2. Step 2: Convert to fraction form
    19,603.03/27,050.58 = 11,535.40/x
  3. Step 3: Cross multiply
    19,603.03x = 27,050.58 × 11,535.40
  4. Step 4: Simplify right side
    19,603.03x = 312,039,260.53
  5. Step 5: Solve for x
    x = 312,039,260.53/19,603.03
  6. Step 6: Final answer
    x = 15,917.91

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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.