Home / 12,051.27-17,988.63-10,630.95

Finding the Fourth Proportional to 12,051.27, 17,988.63 and 10,630.95

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Solution

The fourth proportional to 12,051.27, 17,988.63 and 10,630.95 is: 15,868.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.27 : 17,988.63 = 10,630.95 : x
  2. Step 2: Convert to fraction form
    12,051.27/17,988.63 = 10,630.95/x
  3. Step 3: Cross multiply
    12,051.27x = 17,988.63 × 10,630.95
  4. Step 4: Simplify right side
    12,051.27x = 191,236,226.10
  5. Step 5: Solve for x
    x = 191,236,226.10/12,051.27
  6. Step 6: Final answer
    x = 15,868.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.