Home / 13,425.30-18,526.27-7,457.33

Finding the Fourth Proportional to 13,425.30, 18,526.27 and 7,457.33

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Solution

The fourth proportional to 13,425.30, 18,526.27 and 7,457.33 is: 10,290.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425.30 : 18,526.27 = 7,457.33 : x
  2. Step 2: Convert to fraction form
    13,425.30/18,526.27 = 7,457.33/x
  3. Step 3: Cross multiply
    13,425.30x = 18,526.27 × 7,457.33
  4. Step 4: Simplify right side
    13,425.30x = 138,156,509.06
  5. Step 5: Solve for x
    x = 138,156,509.06/13,425.30
  6. Step 6: Final answer
    x = 10,290.76

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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.