Home / 12,417.88-18,712.36-10,274.80

Finding the Fourth Proportional to 12,417.88, 18,712.36 and 10,274.80

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Solution

The fourth proportional to 12,417.88, 18,712.36 and 10,274.80 is: 15,482.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,417.88 : 18,712.36 = 10,274.80 : x
  2. Step 2: Convert to fraction form
    12,417.88/18,712.36 = 10,274.80/x
  3. Step 3: Cross multiply
    12,417.88x = 18,712.36 × 10,274.80
  4. Step 4: Simplify right side
    12,417.88x = 192,265,756.53
  5. Step 5: Solve for x
    x = 192,265,756.53/12,417.88
  6. Step 6: Final answer
    x = 15,482.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.