Home / 35,681.52-53,524.59-11,987.19

Finding the Fourth Proportional to 35,681.52, 53,524.59 and 11,987.19

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Solution

The fourth proportional to 35,681.52, 53,524.59 and 11,987.19 is: 17,981.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,681.52 : 53,524.59 = 11,987.19 : x
  2. Step 2: Convert to fraction form
    35,681.52/53,524.59 = 11,987.19/x
  3. Step 3: Cross multiply
    35,681.52x = 53,524.59 × 11,987.19
  4. Step 4: Simplify right side
    35,681.52x = 641,609,430.00
  5. Step 5: Solve for x
    x = 641,609,430.00/35,681.52
  6. Step 6: Final answer
    x = 17,981.56

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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.