Home / 13,455.23-20,184.12-3,595.10

Finding the Fourth Proportional to 13,455.23, 20,184.12 and 3,595.10

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Solution

The fourth proportional to 13,455.23, 20,184.12 and 3,595.10 is: 5,392.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455.23 : 20,184.12 = 3,595.10 : x
  2. Step 2: Convert to fraction form
    13,455.23/20,184.12 = 3,595.10/x
  3. Step 3: Cross multiply
    13,455.23x = 20,184.12 × 3,595.10
  4. Step 4: Simplify right side
    13,455.23x = 72,563,929.81
  5. Step 5: Solve for x
    x = 72,563,929.81/13,455.23
  6. Step 6: Final answer
    x = 5,392.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.