Home / 33,113.08-45,702.54-18,975.40

Finding the Fourth Proportional to 33,113.08, 45,702.54 and 18,975.40

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Solution

The fourth proportional to 33,113.08, 45,702.54 and 18,975.40 is: 26,189.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,113.08 : 45,702.54 = 18,975.40 : x
  2. Step 2: Convert to fraction form
    33,113.08/45,702.54 = 18,975.40/x
  3. Step 3: Cross multiply
    33,113.08x = 45,702.54 × 18,975.40
  4. Step 4: Simplify right side
    33,113.08x = 867,223,977.52
  5. Step 5: Solve for x
    x = 867,223,977.52/33,113.08
  6. Step 6: Final answer
    x = 26,189.77

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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.