Home / 42,653.98-63,989.16-16,356.67

Finding the Fourth Proportional to 42,653.98, 63,989.16 and 16,356.67

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Solution

The fourth proportional to 42,653.98, 63,989.16 and 16,356.67 is: 24,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,653.98 : 63,989.16 = 16,356.67 : x
  2. Step 2: Convert to fraction form
    42,653.98/63,989.16 = 16,356.67/x
  3. Step 3: Cross multiply
    42,653.98x = 63,989.16 × 16,356.67
  4. Step 4: Simplify right side
    42,653.98x = 1,046,649,573.70
  5. Step 5: Solve for x
    x = 1,046,649,573.70/42,653.98
  6. Step 6: Final answer
    x = 24,538.15

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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.