Home / 18,341.54-25,312.20-10,386.26

Finding the Fourth Proportional to 18,341.54, 25,312.20 and 10,386.26

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Solution

The fourth proportional to 18,341.54, 25,312.20 and 10,386.26 is: 14,333.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.54 : 25,312.20 = 10,386.26 : x
  2. Step 2: Convert to fraction form
    18,341.54/25,312.20 = 10,386.26/x
  3. Step 3: Cross multiply
    18,341.54x = 25,312.20 × 10,386.26
  4. Step 4: Simplify right side
    18,341.54x = 262,899,090.37
  5. Step 5: Solve for x
    x = 262,899,090.37/18,341.54
  6. Step 6: Final answer
    x = 14,333.53

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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.