Home / 15,829.86-21,835.69-10,452.35

Finding the Fourth Proportional to 15,829.86, 21,835.69 and 10,452.35

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Solution

The fourth proportional to 15,829.86, 21,835.69 and 10,452.35 is: 14,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,829.86 : 21,835.69 = 10,452.35 : x
  2. Step 2: Convert to fraction form
    15,829.86/21,835.69 = 10,452.35/x
  3. Step 3: Cross multiply
    15,829.86x = 21,835.69 × 10,452.35
  4. Step 4: Simplify right side
    15,829.86x = 228,234,139.06
  5. Step 5: Solve for x
    x = 228,234,139.06/15,829.86
  6. Step 6: Final answer
    x = 14,417.95

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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.