Home / 42,622.15-63,933.23-18,924.13

Finding the Fourth Proportional to 42,622.15, 63,933.23 and 18,924.13

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Solution

The fourth proportional to 42,622.15, 63,933.23 and 18,924.13 is: 28,386.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,622.15 : 63,933.23 = 18,924.13 : x
  2. Step 2: Convert to fraction form
    42,622.15/63,933.23 = 18,924.13/x
  3. Step 3: Cross multiply
    42,622.15x = 63,933.23 × 18,924.13
  4. Step 4: Simplify right side
    42,622.15x = 1,209,880,755.84
  5. Step 5: Solve for x
    x = 1,209,880,755.84/42,622.15
  6. Step 6: Final answer
    x = 28,386.20

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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.