Home / 19,008.90-26,231.52-11,050.50

Finding the Fourth Proportional to 19,008.90, 26,231.52 and 11,050.50

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Solution

The fourth proportional to 19,008.90, 26,231.52 and 11,050.50 is: 15,249.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008.90 : 26,231.52 = 11,050.50 : x
  2. Step 2: Convert to fraction form
    19,008.90/26,231.52 = 11,050.50/x
  3. Step 3: Cross multiply
    19,008.90x = 26,231.52 × 11,050.50
  4. Step 4: Simplify right side
    19,008.90x = 289,871,411.76
  5. Step 5: Solve for x
    x = 289,871,411.76/19,008.90
  6. Step 6: Final answer
    x = 15,249.25

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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.