Home / 18,012.89-24,860.28-10,055.63

Finding the Fourth Proportional to 18,012.89, 24,860.28 and 10,055.63

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Solution

The fourth proportional to 18,012.89, 24,860.28 and 10,055.63 is: 13,878.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012.89 : 24,860.28 = 10,055.63 : x
  2. Step 2: Convert to fraction form
    18,012.89/24,860.28 = 10,055.63/x
  3. Step 3: Cross multiply
    18,012.89x = 24,860.28 × 10,055.63
  4. Step 4: Simplify right side
    18,012.89x = 249,985,653.08
  5. Step 5: Solve for x
    x = 249,985,653.08/18,012.89
  6. Step 6: Final answer
    x = 13,878.16

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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.