Home / 13,483.04-18,607.68-7,516.64

Finding the Fourth Proportional to 13,483.04, 18,607.68 and 7,516.64

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Solution

The fourth proportional to 13,483.04, 18,607.68 and 7,516.64 is: 10,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483.04 : 18,607.68 = 7,516.64 : x
  2. Step 2: Convert to fraction form
    13,483.04/18,607.68 = 7,516.64/x
  3. Step 3: Cross multiply
    13,483.04x = 18,607.68 × 7,516.64
  4. Step 4: Simplify right side
    13,483.04x = 139,867,231.80
  5. Step 5: Solve for x
    x = 139,867,231.80/13,483.04
  6. Step 6: Final answer
    x = 10,373.57

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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.