Home / 13,741.04-18,969.64-8,710.40

Finding the Fourth Proportional to 13,741.04, 18,969.64 and 8,710.40

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Solution

The fourth proportional to 13,741.04, 18,969.64 and 8,710.40 is: 12,024.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.04 : 18,969.64 = 8,710.40 : x
  2. Step 2: Convert to fraction form
    13,741.04/18,969.64 = 8,710.40/x
  3. Step 3: Cross multiply
    13,741.04x = 18,969.64 × 8,710.40
  4. Step 4: Simplify right side
    13,741.04x = 165,233,152.26
  5. Step 5: Solve for x
    x = 165,233,152.26/13,741.04
  6. Step 6: Final answer
    x = 12,024.79

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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.