Home / 13,303.69-18,359.22-7,335.60

Finding the Fourth Proportional to 13,303.69, 18,359.22 and 7,335.60

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Solution

The fourth proportional to 13,303.69, 18,359.22 and 7,335.60 is: 10,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.69 : 18,359.22 = 7,335.60 : x
  2. Step 2: Convert to fraction form
    13,303.69/18,359.22 = 7,335.60/x
  3. Step 3: Cross multiply
    13,303.69x = 18,359.22 × 7,335.60
  4. Step 4: Simplify right side
    13,303.69x = 134,675,894.23
  5. Step 5: Solve for x
    x = 134,675,894.23/13,303.69
  6. Step 6: Final answer
    x = 10,123.20

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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.