Home / 30,862.09-42,589.74-16,714.94

Finding the Fourth Proportional to 30,862.09, 42,589.74 and 16,714.94

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Solution

The fourth proportional to 30,862.09, 42,589.74 and 16,714.94 is: 23,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,862.09 : 42,589.74 = 16,714.94 : x
  2. Step 2: Convert to fraction form
    30,862.09/42,589.74 = 16,714.94/x
  3. Step 3: Cross multiply
    30,862.09x = 42,589.74 × 16,714.94
  4. Step 4: Simplify right side
    30,862.09x = 711,884,693.98
  5. Step 5: Solve for x
    x = 711,884,693.98/30,862.09
  6. Step 6: Final answer
    x = 23,066.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.