Home / 17,981.28-24,815.48-10,430.19

Finding the Fourth Proportional to 17,981.28, 24,815.48 and 10,430.19

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Solution

The fourth proportional to 17,981.28, 24,815.48 and 10,430.19 is: 14,394.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981.28 : 24,815.48 = 10,430.19 : x
  2. Step 2: Convert to fraction form
    17,981.28/24,815.48 = 10,430.19/x
  3. Step 3: Cross multiply
    17,981.28x = 24,815.48 × 10,430.19
  4. Step 4: Simplify right side
    17,981.28x = 258,830,171.34
  5. Step 5: Solve for x
    x = 258,830,171.34/17,981.28
  6. Step 6: Final answer
    x = 14,394.42

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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.