Home / 42,920.58-64,368.56-14,833.28

Finding the Fourth Proportional to 42,920.58, 64,368.56 and 14,833.28

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Solution

The fourth proportional to 42,920.58, 64,368.56 and 14,833.28 is: 22,245.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,920.58 : 64,368.56 = 14,833.28 : x
  2. Step 2: Convert to fraction form
    42,920.58/64,368.56 = 14,833.28/x
  3. Step 3: Cross multiply
    42,920.58x = 64,368.56 × 14,833.28
  4. Step 4: Simplify right side
    42,920.58x = 954,796,873.68
  5. Step 5: Solve for x
    x = 954,796,873.68/42,920.58
  6. Step 6: Final answer
    x = 22,245.67

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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.