Home / 42,594.78-63,886.62-13,015.56

Finding the Fourth Proportional to 42,594.78, 63,886.62 and 13,015.56

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Solution

The fourth proportional to 42,594.78, 63,886.62 and 13,015.56 is: 19,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,594.78 : 63,886.62 = 13,015.56 : x
  2. Step 2: Convert to fraction form
    42,594.78/63,886.62 = 13,015.56/x
  3. Step 3: Cross multiply
    42,594.78x = 63,886.62 × 13,015.56
  4. Step 4: Simplify right side
    42,594.78x = 831,520,135.81
  5. Step 5: Solve for x
    x = 831,520,135.81/42,594.78
  6. Step 6: Final answer
    x = 19,521.64

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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.