Home / 15,981.12-23,970.06-4,295.52

Finding the Fourth Proportional to 15,981.12, 23,970.06 and 4,295.52

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Solution

The fourth proportional to 15,981.12, 23,970.06 and 4,295.52 is: 6,442.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.12 : 23,970.06 = 4,295.52 : x
  2. Step 2: Convert to fraction form
    15,981.12/23,970.06 = 4,295.52/x
  3. Step 3: Cross multiply
    15,981.12x = 23,970.06 × 4,295.52
  4. Step 4: Simplify right side
    15,981.12x = 102,963,872.13
  5. Step 5: Solve for x
    x = 102,963,872.13/15,981.12
  6. Step 6: Final answer
    x = 6,442.84

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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.