Home / 30,355.32-45,526.74-11,629.08

Finding the Fourth Proportional to 30,355.32, 45,526.74 and 11,629.08

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Solution

The fourth proportional to 30,355.32, 45,526.74 and 11,629.08 is: 17,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,355.32 : 45,526.74 = 11,629.08 : x
  2. Step 2: Convert to fraction form
    30,355.32/45,526.74 = 11,629.08/x
  3. Step 3: Cross multiply
    30,355.32x = 45,526.74 × 11,629.08
  4. Step 4: Simplify right side
    30,355.32x = 529,434,101.60
  5. Step 5: Solve for x
    x = 529,434,101.60/30,355.32
  6. Step 6: Final answer
    x = 17,441.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.