Home / 17,387.93-24,004.65-13,603.06

Finding the Fourth Proportional to 17,387.93, 24,004.65 and 13,603.06

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Solution

The fourth proportional to 17,387.93, 24,004.65 and 13,603.06 is: 18,779.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.93 : 24,004.65 = 13,603.06 : x
  2. Step 2: Convert to fraction form
    17,387.93/24,004.65 = 13,603.06/x
  3. Step 3: Cross multiply
    17,387.93x = 24,004.65 × 13,603.06
  4. Step 4: Simplify right side
    17,387.93x = 326,536,634.22
  5. Step 5: Solve for x
    x = 326,536,634.22/17,387.93
  6. Step 6: Final answer
    x = 18,779.50

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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.