Home / 15,860.18-21,851.80-10,473.05

Finding the Fourth Proportional to 15,860.18, 21,851.80 and 10,473.05

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Solution

The fourth proportional to 15,860.18, 21,851.80 and 10,473.05 is: 14,429.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,860.18 : 21,851.80 = 10,473.05 : x
  2. Step 2: Convert to fraction form
    15,860.18/21,851.80 = 10,473.05/x
  3. Step 3: Cross multiply
    15,860.18x = 21,851.80 × 10,473.05
  4. Step 4: Simplify right side
    15,860.18x = 228,854,858.55
  5. Step 5: Solve for x
    x = 228,854,858.55/15,860.18
  6. Step 6: Final answer
    x = 14,429.53

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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.