Home / 43,071.60-64,612.38-11,482.08

Finding the Fourth Proportional to 43,071.60, 64,612.38 and 11,482.08

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Solution

The fourth proportional to 43,071.60, 64,612.38 and 11,482.08 is: 17,224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,071.60 : 64,612.38 = 11,482.08 : x
  2. Step 2: Convert to fraction form
    43,071.60/64,612.38 = 11,482.08/x
  3. Step 3: Cross multiply
    43,071.60x = 64,612.38 × 11,482.08
  4. Step 4: Simplify right side
    43,071.60x = 741,884,516.15
  5. Step 5: Solve for x
    x = 741,884,516.15/43,071.60
  6. Step 6: Final answer
    x = 17,224.45

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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.