Home / 16,981.95-23,442.93-10,179.20

Finding the Fourth Proportional to 16,981.95, 23,442.93 and 10,179.20

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Solution

The fourth proportional to 16,981.95, 23,442.93 and 10,179.20 is: 14,051.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,981.95 : 23,442.93 = 10,179.20 : x
  2. Step 2: Convert to fraction form
    16,981.95/23,442.93 = 10,179.20/x
  3. Step 3: Cross multiply
    16,981.95x = 23,442.93 × 10,179.20
  4. Step 4: Simplify right side
    16,981.95x = 238,630,155.84
  5. Step 5: Solve for x
    x = 238,630,155.84/16,981.95
  6. Step 6: Final answer
    x = 14,051.99

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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.