Home / 13,453.74-18,566.01-7,485.93

Finding the Fourth Proportional to 13,453.74, 18,566.01 and 7,485.93

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Solution

The fourth proportional to 13,453.74, 18,566.01 and 7,485.93 is: 10,330.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.74 : 18,566.01 = 7,485.93 : x
  2. Step 2: Convert to fraction form
    13,453.74/18,566.01 = 7,485.93/x
  3. Step 3: Cross multiply
    13,453.74x = 18,566.01 × 7,485.93
  4. Step 4: Simplify right side
    13,453.74x = 138,983,851.24
  5. Step 5: Solve for x
    x = 138,983,851.24/13,453.74
  6. Step 6: Final answer
    x = 10,330.50

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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.