Home / 30,013.59-41,419.60-16,585.72

Finding the Fourth Proportional to 30,013.59, 41,419.60 and 16,585.72

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Solution

The fourth proportional to 30,013.59, 41,419.60 and 16,585.72 is: 22,888.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,013.59 : 41,419.60 = 16,585.72 : x
  2. Step 2: Convert to fraction form
    30,013.59/41,419.60 = 16,585.72/x
  3. Step 3: Cross multiply
    30,013.59x = 41,419.60 × 16,585.72
  4. Step 4: Simplify right side
    30,013.59x = 686,973,888.11
  5. Step 5: Solve for x
    x = 686,973,888.11/30,013.59
  6. Step 6: Final answer
    x = 22,888.76

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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.