Home / 17,946.13-24,765.40-9,988.35

Finding the Fourth Proportional to 17,946.13, 24,765.40 and 9,988.35

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Solution

The fourth proportional to 17,946.13, 24,765.40 and 9,988.35 is: 13,783.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,946.13 : 24,765.40 = 9,988.35 : x
  2. Step 2: Convert to fraction form
    17,946.13/24,765.40 = 9,988.35/x
  3. Step 3: Cross multiply
    17,946.13x = 24,765.40 × 9,988.35
  4. Step 4: Simplify right side
    17,946.13x = 247,365,483.09
  5. Step 5: Solve for x
    x = 247,365,483.09/17,946.13
  6. Step 6: Final answer
    x = 13,783.78

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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.