Home / 20,573.19-28,389.93-11,496.93

Finding the Fourth Proportional to 20,573.19, 28,389.93 and 11,496.93

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Solution

The fourth proportional to 20,573.19, 28,389.93 and 11,496.93 is: 15,865.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,573.19 : 28,389.93 = 11,496.93 : x
  2. Step 2: Convert to fraction form
    20,573.19/28,389.93 = 11,496.93/x
  3. Step 3: Cross multiply
    20,573.19x = 28,389.93 × 11,496.93
  4. Step 4: Simplify right side
    20,573.19x = 326,397,037.91
  5. Step 5: Solve for x
    x = 326,397,037.91/20,573.19
  6. Step 6: Final answer
    x = 15,865.16

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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.