Home / 18,344.08-25,315.38-10,386.10

Finding the Fourth Proportional to 18,344.08, 25,315.38 and 10,386.10

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Solution

The fourth proportional to 18,344.08, 25,315.38 and 10,386.10 is: 14,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.08 : 25,315.38 = 10,386.10 : x
  2. Step 2: Convert to fraction form
    18,344.08/25,315.38 = 10,386.10/x
  3. Step 3: Cross multiply
    18,344.08x = 25,315.38 × 10,386.10
  4. Step 4: Simplify right side
    18,344.08x = 262,928,068.22
  5. Step 5: Solve for x
    x = 262,928,068.22/18,344.08
  6. Step 6: Final answer
    x = 14,333.13

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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.