Home / 13,303.77-18,359.33-7,335.65

Finding the Fourth Proportional to 13,303.77, 18,359.33 and 7,335.65

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Solution

The fourth proportional to 13,303.77, 18,359.33 and 7,335.65 is: 10,123.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.77 : 18,359.33 = 7,335.65 : x
  2. Step 2: Convert to fraction form
    13,303.77/18,359.33 = 7,335.65/x
  3. Step 3: Cross multiply
    13,303.77x = 18,359.33 × 7,335.65
  4. Step 4: Simplify right side
    13,303.77x = 134,677,628.33
  5. Step 5: Solve for x
    x = 134,677,628.33/13,303.77
  6. Step 6: Final answer
    x = 10,123.27

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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.