Home / 19,277.88-26,603.28-12,210.09

Finding the Fourth Proportional to 19,277.88, 26,603.28 and 12,210.09

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Solution

The fourth proportional to 19,277.88, 26,603.28 and 12,210.09 is: 16,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.88 : 26,603.28 = 12,210.09 : x
  2. Step 2: Convert to fraction form
    19,277.88/26,603.28 = 12,210.09/x
  3. Step 3: Cross multiply
    19,277.88x = 26,603.28 × 12,210.09
  4. Step 4: Simplify right side
    19,277.88x = 324,828,443.10
  5. Step 5: Solve for x
    x = 324,828,443.10/19,277.88
  6. Step 6: Final answer
    x = 16,849.80

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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.