Home / 22,603.15-31,193.33-12,530.95

Finding the Fourth Proportional to 22,603.15, 31,193.33 and 12,530.95

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Solution

The fourth proportional to 22,603.15, 31,193.33 and 12,530.95 is: 17,293.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,603.15 : 31,193.33 = 12,530.95 : x
  2. Step 2: Convert to fraction form
    22,603.15/31,193.33 = 12,530.95/x
  3. Step 3: Cross multiply
    22,603.15x = 31,193.33 × 12,530.95
  4. Step 4: Simplify right side
    22,603.15x = 390,881,917.93
  5. Step 5: Solve for x
    x = 390,881,917.93/22,603.15
  6. Step 6: Final answer
    x = 17,293.25

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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.