Home / 18,725.18-25,840.58-10,341.50

Finding the Fourth Proportional to 18,725.18, 25,840.58 and 10,341.50

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Solution

The fourth proportional to 18,725.18, 25,840.58 and 10,341.50 is: 14,271.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.18 : 25,840.58 = 10,341.50 : x
  2. Step 2: Convert to fraction form
    18,725.18/25,840.58 = 10,341.50/x
  3. Step 3: Cross multiply
    18,725.18x = 25,840.58 × 10,341.50
  4. Step 4: Simplify right side
    18,725.18x = 267,230,358.07
  5. Step 5: Solve for x
    x = 267,230,358.07/18,725.18
  6. Step 6: Final answer
    x = 14,271.18

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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.