Home / 19,182.56-28,777.95-10,866.56

Finding the Fourth Proportional to 19,182.56, 28,777.95 and 10,866.56

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Solution

The fourth proportional to 19,182.56, 28,777.95 and 10,866.56 is: 16,302.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,182.56 : 28,777.95 = 10,866.56 : x
  2. Step 2: Convert to fraction form
    19,182.56/28,777.95 = 10,866.56/x
  3. Step 3: Cross multiply
    19,182.56x = 28,777.95 × 10,866.56
  4. Step 4: Simplify right side
    19,182.56x = 312,717,176.46
  5. Step 5: Solve for x
    x = 312,717,176.46/19,182.56
  6. Step 6: Final answer
    x = 16,302.16

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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.