Home / 20,552.99-30,829.51-4,970.62

Finding the Fourth Proportional to 20,552.99, 30,829.51 and 4,970.62

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Solution

The fourth proportional to 20,552.99, 30,829.51 and 4,970.62 is: 7,455.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.99 : 30,829.51 = 4,970.62 : x
  2. Step 2: Convert to fraction form
    20,552.99/30,829.51 = 4,970.62/x
  3. Step 3: Cross multiply
    20,552.99x = 30,829.51 × 4,970.62
  4. Step 4: Simplify right side
    20,552.99x = 153,241,677.07
  5. Step 5: Solve for x
    x = 153,241,677.07/20,552.99
  6. Step 6: Final answer
    x = 7,455.93

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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.