Home / 13,599.27-18,767.01-7,630.98

Finding the Fourth Proportional to 13,599.27, 18,767.01 and 7,630.98

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Solution

The fourth proportional to 13,599.27, 18,767.01 and 7,630.98 is: 10,530.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.27 : 18,767.01 = 7,630.98 : x
  2. Step 2: Convert to fraction form
    13,599.27/18,767.01 = 7,630.98/x
  3. Step 3: Cross multiply
    13,599.27x = 18,767.01 × 7,630.98
  4. Step 4: Simplify right side
    13,599.27x = 143,210,639.81
  5. Step 5: Solve for x
    x = 143,210,639.81/13,599.27
  6. Step 6: Final answer
    x = 10,530.76

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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.