Home / 15,780.02-23,668.20-4,686.66

Finding the Fourth Proportional to 15,780.02, 23,668.20 and 4,686.66

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Solution

The fourth proportional to 15,780.02, 23,668.20 and 4,686.66 is: 7,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780.02 : 23,668.20 = 4,686.66 : x
  2. Step 2: Convert to fraction form
    15,780.02/23,668.20 = 4,686.66/x
  3. Step 3: Cross multiply
    15,780.02x = 23,668.20 × 4,686.66
  4. Step 4: Simplify right side
    15,780.02x = 110,924,806.21
  5. Step 5: Solve for x
    x = 110,924,806.21/15,780.02
  6. Step 6: Final answer
    x = 7,029.45

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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.