Home / 49,523.40-74,285.26-12,587.40

Finding the Fourth Proportional to 49,523.40, 74,285.26 and 12,587.40

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Solution

The fourth proportional to 49,523.40, 74,285.26 and 12,587.40 is: 18,881.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,523.40 : 74,285.26 = 12,587.40 : x
  2. Step 2: Convert to fraction form
    49,523.40/74,285.26 = 12,587.40/x
  3. Step 3: Cross multiply
    49,523.40x = 74,285.26 × 12,587.40
  4. Step 4: Simplify right side
    49,523.40x = 935,058,281.72
  5. Step 5: Solve for x
    x = 935,058,281.72/49,523.40
  6. Step 6: Final answer
    x = 18,881.14

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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.