Home / 13,298.09-18,344.62-10,148.81

Finding the Fourth Proportional to 13,298.09, 18,344.62 and 10,148.81

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Solution

The fourth proportional to 13,298.09, 18,344.62 and 10,148.81 is: 14,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.09 : 18,344.62 = 10,148.81 : x
  2. Step 2: Convert to fraction form
    13,298.09/18,344.62 = 10,148.81/x
  3. Step 3: Cross multiply
    13,298.09x = 18,344.62 × 10,148.81
  4. Step 4: Simplify right side
    13,298.09x = 186,176,062.90
  5. Step 5: Solve for x
    x = 186,176,062.90/13,298.09
  6. Step 6: Final answer
    x = 14,000.21

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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.