Home / 14,313.24-19,741.59-13,685.04

Finding the Fourth Proportional to 14,313.24, 19,741.59 and 13,685.04

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Solution

The fourth proportional to 14,313.24, 19,741.59 and 13,685.04 is: 18,875.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.24 : 19,741.59 = 13,685.04 : x
  2. Step 2: Convert to fraction form
    14,313.24/19,741.59 = 13,685.04/x
  3. Step 3: Cross multiply
    14,313.24x = 19,741.59 × 13,685.04
  4. Step 4: Simplify right side
    14,313.24x = 270,164,448.81
  5. Step 5: Solve for x
    x = 270,164,448.81/14,313.24
  6. Step 6: Final answer
    x = 18,875.14

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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.