Home / 13,341.68-18,397.68-11,459.48

Finding the Fourth Proportional to 13,341.68, 18,397.68 and 11,459.48

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Solution

The fourth proportional to 13,341.68, 18,397.68 and 11,459.48 is: 15,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.68 : 18,397.68 = 11,459.48 : x
  2. Step 2: Convert to fraction form
    13,341.68/18,397.68 = 11,459.48/x
  3. Step 3: Cross multiply
    13,341.68x = 18,397.68 × 11,459.48
  4. Step 4: Simplify right side
    13,341.68x = 210,827,846.01
  5. Step 5: Solve for x
    x = 210,827,846.01/13,341.68
  6. Step 6: Final answer
    x = 15,802.20

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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.