Home / 27,265.04-37,602.43-18,780.70

Finding the Fourth Proportional to 27,265.04, 37,602.43 and 18,780.70

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Solution

The fourth proportional to 27,265.04, 37,602.43 and 18,780.70 is: 25,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,265.04 : 37,602.43 = 18,780.70 : x
  2. Step 2: Convert to fraction form
    27,265.04/37,602.43 = 18,780.70/x
  3. Step 3: Cross multiply
    27,265.04x = 37,602.43 × 18,780.70
  4. Step 4: Simplify right side
    27,265.04x = 706,199,957.10
  5. Step 5: Solve for x
    x = 706,199,957.10/27,265.04
  6. Step 6: Final answer
    x = 25,901.30

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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.