Home / 28,608.42-39,511.95-19,518.18

Finding the Fourth Proportional to 28,608.42, 39,511.95 and 19,518.18

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Solution

The fourth proportional to 28,608.42, 39,511.95 and 19,518.18 is: 26,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608.42 : 39,511.95 = 19,518.18 : x
  2. Step 2: Convert to fraction form
    28,608.42/39,511.95 = 19,518.18/x
  3. Step 3: Cross multiply
    28,608.42x = 39,511.95 × 19,518.18
  4. Step 4: Simplify right side
    28,608.42x = 771,201,462.93
  5. Step 5: Solve for x
    x = 771,201,462.93/28,608.42
  6. Step 6: Final answer
    x = 26,957.15

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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.