Home / 30,925.14-42,676.52-16,777.68

Finding the Fourth Proportional to 30,925.14, 42,676.52 and 16,777.68

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Solution

The fourth proportional to 30,925.14, 42,676.52 and 16,777.68 is: 23,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,925.14 : 42,676.52 = 16,777.68 : x
  2. Step 2: Convert to fraction form
    30,925.14/42,676.52 = 16,777.68/x
  3. Step 3: Cross multiply
    30,925.14x = 42,676.52 × 16,777.68
  4. Step 4: Simplify right side
    30,925.14x = 716,012,996.07
  5. Step 5: Solve for x
    x = 716,012,996.07/30,925.14
  6. Step 6: Final answer
    x = 23,153.10

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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.