Home / 13,497.32-18,626.08-7,528.83

Finding the Fourth Proportional to 13,497.32, 18,626.08 and 7,528.83

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Solution

The fourth proportional to 13,497.32, 18,626.08 and 7,528.83 is: 10,389.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497.32 : 18,626.08 = 7,528.83 : x
  2. Step 2: Convert to fraction form
    13,497.32/18,626.08 = 7,528.83/x
  3. Step 3: Cross multiply
    13,497.32x = 18,626.08 × 7,528.83
  4. Step 4: Simplify right side
    13,497.32x = 140,232,636.45
  5. Step 5: Solve for x
    x = 140,232,636.45/13,497.32
  6. Step 6: Final answer
    x = 10,389.67

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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.