Home / 13,114.24-18,085.44-10,125.60

Finding the Fourth Proportional to 13,114.24, 18,085.44 and 10,125.60

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Solution

The fourth proportional to 13,114.24, 18,085.44 and 10,125.60 is: 13,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.24 : 18,085.44 = 10,125.60 : x
  2. Step 2: Convert to fraction form
    13,114.24/18,085.44 = 10,125.60/x
  3. Step 3: Cross multiply
    13,114.24x = 18,085.44 × 10,125.60
  4. Step 4: Simplify right side
    13,114.24x = 183,125,931.26
  5. Step 5: Solve for x
    x = 183,125,931.26/13,114.24
  6. Step 6: Final answer
    x = 13,963.90

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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.