Home / 13,266.48-18,307.36-7,601.04

Finding the Fourth Proportional to 13,266.48, 18,307.36 and 7,601.04

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Solution

The fourth proportional to 13,266.48, 18,307.36 and 7,601.04 is: 10,489.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.48 : 18,307.36 = 7,601.04 : x
  2. Step 2: Convert to fraction form
    13,266.48/18,307.36 = 7,601.04/x
  3. Step 3: Cross multiply
    13,266.48x = 18,307.36 × 7,601.04
  4. Step 4: Simplify right side
    13,266.48x = 139,154,975.65
  5. Step 5: Solve for x
    x = 139,154,975.65/13,266.48
  6. Step 6: Final answer
    x = 10,489.22

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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.