Home / 14,190.08-19,581.60-7,903.04

Finding the Fourth Proportional to 14,190.08, 19,581.60 and 7,903.04

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Solution

The fourth proportional to 14,190.08, 19,581.60 and 7,903.04 is: 10,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.08 : 19,581.60 = 7,903.04 : x
  2. Step 2: Convert to fraction form
    14,190.08/19,581.60 = 7,903.04/x
  3. Step 3: Cross multiply
    14,190.08x = 19,581.60 × 7,903.04
  4. Step 4: Simplify right side
    14,190.08x = 154,754,168.06
  5. Step 5: Solve for x
    x = 154,754,168.06/14,190.08
  6. Step 6: Final answer
    x = 10,905.80

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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.