Home / 30,114.90-41,557.95-16,686.12

Finding the Fourth Proportional to 30,114.90, 41,557.95 and 16,686.12

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Solution

The fourth proportional to 30,114.90, 41,557.95 and 16,686.12 is: 23,026.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,114.90 : 41,557.95 = 16,686.12 : x
  2. Step 2: Convert to fraction form
    30,114.90/41,557.95 = 16,686.12/x
  3. Step 3: Cross multiply
    30,114.90x = 41,557.95 × 16,686.12
  4. Step 4: Simplify right side
    30,114.90x = 693,440,774.58
  5. Step 5: Solve for x
    x = 693,440,774.58/30,114.90
  6. Step 6: Final answer
    x = 23,026.50

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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.