Home / 15,988.16-23,981.23-4,893.80

Finding the Fourth Proportional to 15,988.16, 23,981.23 and 4,893.80

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Solution

The fourth proportional to 15,988.16, 23,981.23 and 4,893.80 is: 7,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.16 : 23,981.23 = 4,893.80 : x
  2. Step 2: Convert to fraction form
    15,988.16/23,981.23 = 4,893.80/x
  3. Step 3: Cross multiply
    15,988.16x = 23,981.23 × 4,893.80
  4. Step 4: Simplify right side
    15,988.16x = 117,359,199.00
  5. Step 5: Solve for x
    x = 117,359,199.00/15,988.16
  6. Step 6: Final answer
    x = 7,340.38

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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.