Home / 13,052.22-18,012.02-7,386.81

Finding the Fourth Proportional to 13,052.22, 18,012.02 and 7,386.81

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Solution

The fourth proportional to 13,052.22, 18,012.02 and 7,386.81 is: 10,193.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.22 : 18,012.02 = 7,386.81 : x
  2. Step 2: Convert to fraction form
    13,052.22/18,012.02 = 7,386.81/x
  3. Step 3: Cross multiply
    13,052.22x = 18,012.02 × 7,386.81
  4. Step 4: Simplify right side
    13,052.22x = 133,051,332.52
  5. Step 5: Solve for x
    x = 133,051,332.52/13,052.22
  6. Step 6: Final answer
    x = 10,193.77

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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.