Home / 15,988.02-23,980.41-4,894.80

Finding the Fourth Proportional to 15,988.02, 23,980.41 and 4,894.80

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Solution

The fourth proportional to 15,988.02, 23,980.41 and 4,894.80 is: 7,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.02 : 23,980.41 = 4,894.80 : x
  2. Step 2: Convert to fraction form
    15,988.02/23,980.41 = 4,894.80/x
  3. Step 3: Cross multiply
    15,988.02x = 23,980.41 × 4,894.80
  4. Step 4: Simplify right side
    15,988.02x = 117,379,310.87
  5. Step 5: Solve for x
    x = 117,379,310.87/15,988.02
  6. Step 6: Final answer
    x = 7,341.70

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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.