Home / 20,590.61-30,885.93-5,008.23

Finding the Fourth Proportional to 20,590.61, 30,885.93 and 5,008.23

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Solution

The fourth proportional to 20,590.61, 30,885.93 and 5,008.23 is: 7,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,590.61 : 30,885.93 = 5,008.23 : x
  2. Step 2: Convert to fraction form
    20,590.61/30,885.93 = 5,008.23/x
  3. Step 3: Cross multiply
    20,590.61x = 30,885.93 × 5,008.23
  4. Step 4: Simplify right side
    20,590.61x = 154,683,841.20
  5. Step 5: Solve for x
    x = 154,683,841.20/20,590.61
  6. Step 6: Final answer
    x = 7,512.35

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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.