Home / 15,768.02-21,758.87-9,048.93

Finding the Fourth Proportional to 15,768.02, 21,758.87 and 9,048.93

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Solution

The fourth proportional to 15,768.02, 21,758.87 and 9,048.93 is: 12,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768.02 : 21,758.87 = 9,048.93 : x
  2. Step 2: Convert to fraction form
    15,768.02/21,758.87 = 9,048.93/x
  3. Step 3: Cross multiply
    15,768.02x = 21,758.87 × 9,048.93
  4. Step 4: Simplify right side
    15,768.02x = 196,894,432.54
  5. Step 5: Solve for x
    x = 196,894,432.54/15,768.02
  6. Step 6: Final answer
    x = 12,486.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.