Home / 17,975.12-24,808.01-12,955.95

Finding the Fourth Proportional to 17,975.12, 24,808.01 and 12,955.95

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Solution

The fourth proportional to 17,975.12, 24,808.01 and 12,955.95 is: 17,880.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,975.12 : 24,808.01 = 12,955.95 : x
  2. Step 2: Convert to fraction form
    17,975.12/24,808.01 = 12,955.95/x
  3. Step 3: Cross multiply
    17,975.12x = 24,808.01 × 12,955.95
  4. Step 4: Simplify right side
    17,975.12x = 321,411,272.38
  5. Step 5: Solve for x
    x = 321,411,272.38/17,975.12
  6. Step 6: Final answer
    x = 17,880.90

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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.