Home / 15,555.03-23,325.90-5,931.60

Finding the Fourth Proportional to 15,555.03, 23,325.90 and 5,931.60

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Solution

The fourth proportional to 15,555.03, 23,325.90 and 5,931.60 is: 8,894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.03 : 23,325.90 = 5,931.60 : x
  2. Step 2: Convert to fraction form
    15,555.03/23,325.90 = 5,931.60/x
  3. Step 3: Cross multiply
    15,555.03x = 23,325.90 × 5,931.60
  4. Step 4: Simplify right side
    15,555.03x = 138,359,908.44
  5. Step 5: Solve for x
    x = 138,359,908.44/15,555.03
  6. Step 6: Final answer
    x = 8,894.87

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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.