Home / 14,528.34-20,048.86-8,155.08

Finding the Fourth Proportional to 14,528.34, 20,048.86 and 8,155.08

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Solution

The fourth proportional to 14,528.34, 20,048.86 and 8,155.08 is: 11,253.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.34 : 20,048.86 = 8,155.08 : x
  2. Step 2: Convert to fraction form
    14,528.34/20,048.86 = 8,155.08/x
  3. Step 3: Cross multiply
    14,528.34x = 20,048.86 × 8,155.08
  4. Step 4: Simplify right side
    14,528.34x = 163,500,057.21
  5. Step 5: Solve for x
    x = 163,500,057.21/14,528.34
  6. Step 6: Final answer
    x = 11,253.87

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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.