Home / 13,576.10-18,735.77-7,526.22

Finding the Fourth Proportional to 13,576.10, 18,735.77 and 7,526.22

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Solution

The fourth proportional to 13,576.10, 18,735.77 and 7,526.22 is: 10,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.10 : 18,735.77 = 7,526.22 : x
  2. Step 2: Convert to fraction form
    13,576.10/18,735.77 = 7,526.22/x
  3. Step 3: Cross multiply
    13,576.10x = 18,735.77 × 7,526.22
  4. Step 4: Simplify right side
    13,576.10x = 141,009,489.26
  5. Step 5: Solve for x
    x = 141,009,489.26/13,576.10
  6. Step 6: Final answer
    x = 10,386.60

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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.