Home / 13,425.36-18,527.04-7,457.46

Finding the Fourth Proportional to 13,425.36, 18,527.04 and 7,457.46

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Solution

The fourth proportional to 13,425.36, 18,527.04 and 7,457.46 is: 10,291.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425.36 : 18,527.04 = 7,457.46 : x
  2. Step 2: Convert to fraction form
    13,425.36/18,527.04 = 7,457.46/x
  3. Step 3: Cross multiply
    13,425.36x = 18,527.04 × 7,457.46
  4. Step 4: Simplify right side
    13,425.36x = 138,164,659.72
  5. Step 5: Solve for x
    x = 138,164,659.72/13,425.36
  6. Step 6: Final answer
    x = 10,291.32

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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.