Home / 14,823.63-20,447.21-10,345.75

Finding the Fourth Proportional to 14,823.63, 20,447.21 and 10,345.75

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Solution

The fourth proportional to 14,823.63, 20,447.21 and 10,345.75 is: 14,270.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,823.63 : 20,447.21 = 10,345.75 : x
  2. Step 2: Convert to fraction form
    14,823.63/20,447.21 = 10,345.75/x
  3. Step 3: Cross multiply
    14,823.63x = 20,447.21 × 10,345.75
  4. Step 4: Simplify right side
    14,823.63x = 211,541,697.60
  5. Step 5: Solve for x
    x = 211,541,697.60/14,823.63
  6. Step 6: Final answer
    x = 14,270.57

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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.