Home / 18,280.63-25,225.74-10,726.15

Finding the Fourth Proportional to 18,280.63, 25,225.74 and 10,726.15

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Solution

The fourth proportional to 18,280.63, 25,225.74 and 10,726.15 is: 14,801.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.63 : 25,225.74 = 10,726.15 : x
  2. Step 2: Convert to fraction form
    18,280.63/25,225.74 = 10,726.15/x
  3. Step 3: Cross multiply
    18,280.63x = 25,225.74 × 10,726.15
  4. Step 4: Simplify right side
    18,280.63x = 270,575,071.10
  5. Step 5: Solve for x
    x = 270,575,071.10/18,280.63
  6. Step 6: Final answer
    x = 14,801.19

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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.