Home / 13,983.63-20,983.67-10,030.63

Finding the Fourth Proportional to 13,983.63, 20,983.67 and 10,030.63

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Solution

The fourth proportional to 13,983.63, 20,983.67 and 10,030.63 is: 15,051.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.63 : 20,983.67 = 10,030.63 : x
  2. Step 2: Convert to fraction form
    13,983.63/20,983.67 = 10,030.63/x
  3. Step 3: Cross multiply
    13,983.63x = 20,983.67 × 10,030.63
  4. Step 4: Simplify right side
    13,983.63x = 210,479,429.81
  5. Step 5: Solve for x
    x = 210,479,429.81/13,983.63
  6. Step 6: Final answer
    x = 15,051.84

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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.