Home / 13,453.32-18,565.02-7,485.24

Finding the Fourth Proportional to 13,453.32, 18,565.02 and 7,485.24

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Solution

The fourth proportional to 13,453.32, 18,565.02 and 7,485.24 is: 10,329.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.32 : 18,565.02 = 7,485.24 : x
  2. Step 2: Convert to fraction form
    13,453.32/18,565.02 = 7,485.24/x
  3. Step 3: Cross multiply
    13,453.32x = 18,565.02 × 7,485.24
  4. Step 4: Simplify right side
    13,453.32x = 138,963,630.30
  5. Step 5: Solve for x
    x = 138,963,630.30/13,453.32
  6. Step 6: Final answer
    x = 10,329.32

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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.