Home / 13,563.84-18,618.24-12,038.08

Finding the Fourth Proportional to 13,563.84, 18,618.24 and 12,038.08

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Solution

The fourth proportional to 13,563.84, 18,618.24 and 12,038.08 is: 16,523.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563.84 : 18,618.24 = 12,038.08 : x
  2. Step 2: Convert to fraction form
    13,563.84/18,618.24 = 12,038.08/x
  3. Step 3: Cross multiply
    13,563.84x = 18,618.24 × 12,038.08
  4. Step 4: Simplify right side
    13,563.84x = 224,127,862.58
  5. Step 5: Solve for x
    x = 224,127,862.58/13,563.84
  6. Step 6: Final answer
    x = 16,523.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.