Home / 27,128.03-37,449.65-18,068.45

Finding the Fourth Proportional to 27,128.03, 37,449.65 and 18,068.45

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Solution

The fourth proportional to 27,128.03, 37,449.65 and 18,068.45 is: 24,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,128.03 : 37,449.65 = 18,068.45 : x
  2. Step 2: Convert to fraction form
    27,128.03/37,449.65 = 18,068.45/x
  3. Step 3: Cross multiply
    27,128.03x = 37,449.65 × 18,068.45
  4. Step 4: Simplify right side
    27,128.03x = 676,657,131.82
  5. Step 5: Solve for x
    x = 676,657,131.82/27,128.03
  6. Step 6: Final answer
    x = 24,943.10

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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.