Home / 18,746.08-28,095.36-9,389.76

Finding the Fourth Proportional to 18,746.08, 28,095.36 and 9,389.76

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Solution

The fourth proportional to 18,746.08, 28,095.36 and 9,389.76 is: 14,072.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746.08 : 28,095.36 = 9,389.76 : x
  2. Step 2: Convert to fraction form
    18,746.08/28,095.36 = 9,389.76/x
  3. Step 3: Cross multiply
    18,746.08x = 28,095.36 × 9,389.76
  4. Step 4: Simplify right side
    18,746.08x = 263,808,687.51
  5. Step 5: Solve for x
    x = 263,808,687.51/18,746.08
  6. Step 6: Final answer
    x = 14,072.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.