Home / 28,359.96-42,539.95-11,701.69

Finding the Fourth Proportional to 28,359.96, 42,539.95 and 11,701.69

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Solution

The fourth proportional to 28,359.96, 42,539.95 and 11,701.69 is: 17,552.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,359.96 : 42,539.95 = 11,701.69 : x
  2. Step 2: Convert to fraction form
    28,359.96/42,539.95 = 11,701.69/x
  3. Step 3: Cross multiply
    28,359.96x = 42,539.95 × 11,701.69
  4. Step 4: Simplify right side
    28,359.96x = 497,789,036.31
  5. Step 5: Solve for x
    x = 497,789,036.31/28,359.96
  6. Step 6: Final answer
    x = 17,552.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.