Home / 25,756.65-35,547.77-18,609.68

Finding the Fourth Proportional to 25,756.65, 35,547.77 and 18,609.68

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Solution

The fourth proportional to 25,756.65, 35,547.77 and 18,609.68 is: 25,683.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,756.65 : 35,547.77 = 18,609.68 : x
  2. Step 2: Convert to fraction form
    25,756.65/35,547.77 = 18,609.68/x
  3. Step 3: Cross multiply
    25,756.65x = 35,547.77 × 18,609.68
  4. Step 4: Simplify right side
    25,756.65x = 661,532,759.81
  5. Step 5: Solve for x
    x = 661,532,759.81/25,756.65
  6. Step 6: Final answer
    x = 25,683.96

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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.