Home / 20,590.47-30,886.95-5,800.65

Finding the Fourth Proportional to 20,590.47, 30,886.95 and 5,800.65

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Solution

The fourth proportional to 20,590.47, 30,886.95 and 5,800.65 is: 8,701.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,590.47 : 30,886.95 = 5,800.65 : x
  2. Step 2: Convert to fraction form
    20,590.47/30,886.95 = 5,800.65/x
  3. Step 3: Cross multiply
    20,590.47x = 30,886.95 × 5,800.65
  4. Step 4: Simplify right side
    20,590.47x = 179,164,386.52
  5. Step 5: Solve for x
    x = 179,164,386.52/20,590.47
  6. Step 6: Final answer
    x = 8,701.33

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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.