Home / 18,646.08-25,730.40-10,260.96

Finding the Fourth Proportional to 18,646.08, 25,730.40 and 10,260.96

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Solution

The fourth proportional to 18,646.08, 25,730.40 and 10,260.96 is: 14,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646.08 : 25,730.40 = 10,260.96 : x
  2. Step 2: Convert to fraction form
    18,646.08/25,730.40 = 10,260.96/x
  3. Step 3: Cross multiply
    18,646.08x = 25,730.40 × 10,260.96
  4. Step 4: Simplify right side
    18,646.08x = 264,018,605.18
  5. Step 5: Solve for x
    x = 264,018,605.18/18,646.08
  6. Step 6: Final answer
    x = 14,159.47

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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.