Home / 34,702.05-47,888.76-18,786.51

Finding the Fourth Proportional to 34,702.05, 47,888.76 and 18,786.51

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Solution

The fourth proportional to 34,702.05, 47,888.76 and 18,786.51 is: 25,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,702.05 : 47,888.76 = 18,786.51 : x
  2. Step 2: Convert to fraction form
    34,702.05/47,888.76 = 18,786.51/x
  3. Step 3: Cross multiply
    34,702.05x = 47,888.76 × 18,786.51
  4. Step 4: Simplify right side
    34,702.05x = 899,662,668.63
  5. Step 5: Solve for x
    x = 899,662,668.63/34,702.05
  6. Step 6: Final answer
    x = 25,925.35

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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.