Home / 13,475.04-20,199.60-6,904.32

Finding the Fourth Proportional to 13,475.04, 20,199.60 and 6,904.32

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Solution

The fourth proportional to 13,475.04, 20,199.60 and 6,904.32 is: 10,349.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.04 : 20,199.60 = 6,904.32 : x
  2. Step 2: Convert to fraction form
    13,475.04/20,199.60 = 6,904.32/x
  3. Step 3: Cross multiply
    13,475.04x = 20,199.60 × 6,904.32
  4. Step 4: Simplify right side
    13,475.04x = 139,464,502.27
  5. Step 5: Solve for x
    x = 139,464,502.27/13,475.04
  6. Step 6: Final answer
    x = 10,349.84

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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.