Home / 18,329.16-25,292.70-10,775.74

Finding the Fourth Proportional to 18,329.16, 25,292.70 and 10,775.74

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Solution

The fourth proportional to 18,329.16, 25,292.70 and 10,775.74 is: 14,869.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.16 : 25,292.70 = 10,775.74 : x
  2. Step 2: Convert to fraction form
    18,329.16/25,292.70 = 10,775.74/x
  3. Step 3: Cross multiply
    18,329.16x = 25,292.70 × 10,775.74
  4. Step 4: Simplify right side
    18,329.16x = 272,547,559.10
  5. Step 5: Solve for x
    x = 272,547,559.10/18,329.16
  6. Step 6: Final answer
    x = 14,869.62

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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.