Home / 13,465.68-18,581.85-7,497.06

Finding the Fourth Proportional to 13,465.68, 18,581.85 and 7,497.06

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Solution

The fourth proportional to 13,465.68, 18,581.85 and 7,497.06 is: 10,345.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.68 : 18,581.85 = 7,497.06 : x
  2. Step 2: Convert to fraction form
    13,465.68/18,581.85 = 7,497.06/x
  3. Step 3: Cross multiply
    13,465.68x = 18,581.85 × 7,497.06
  4. Step 4: Simplify right side
    13,465.68x = 139,309,244.36
  5. Step 5: Solve for x
    x = 139,309,244.36/13,465.68
  6. Step 6: Final answer
    x = 10,345.50

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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.