Home / 35,987.58-53,988.66-12,615.84

Finding the Fourth Proportional to 35,987.58, 53,988.66 and 12,615.84

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Solution

The fourth proportional to 35,987.58, 53,988.66 and 12,615.84 is: 18,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,987.58 : 53,988.66 = 12,615.84 : x
  2. Step 2: Convert to fraction form
    35,987.58/53,988.66 = 12,615.84/x
  3. Step 3: Cross multiply
    35,987.58x = 53,988.66 × 12,615.84
  4. Step 4: Simplify right side
    35,987.58x = 681,112,296.37
  5. Step 5: Solve for x
    x = 681,112,296.37/35,987.58
  6. Step 6: Final answer
    x = 18,926.32

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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.