Home / 30,146.01-41,603.63-16,718.55

Finding the Fourth Proportional to 30,146.01, 41,603.63 and 16,718.55

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Solution

The fourth proportional to 30,146.01, 41,603.63 and 16,718.55 is: 23,072.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146.01 : 41,603.63 = 16,718.55 : x
  2. Step 2: Convert to fraction form
    30,146.01/41,603.63 = 16,718.55/x
  3. Step 3: Cross multiply
    30,146.01x = 41,603.63 × 16,718.55
  4. Step 4: Simplify right side
    30,146.01x = 695,552,368.34
  5. Step 5: Solve for x
    x = 695,552,368.34/30,146.01
  6. Step 6: Final answer
    x = 23,072.78

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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.