Home / 16,987.52-23,444.16-9,434.60

Finding the Fourth Proportional to 16,987.52, 23,444.16 and 9,434.60

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Solution

The fourth proportional to 16,987.52, 23,444.16 and 9,434.60 is: 13,020.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.52 : 23,444.16 = 9,434.60 : x
  2. Step 2: Convert to fraction form
    16,987.52/23,444.16 = 9,434.60/x
  3. Step 3: Cross multiply
    16,987.52x = 23,444.16 × 9,434.60
  4. Step 4: Simplify right side
    16,987.52x = 221,186,271.94
  5. Step 5: Solve for x
    x = 221,186,271.94/16,987.52
  6. Step 6: Final answer
    x = 13,020.52

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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.