Home / 53,626.76-80,440.16-18,547.28

Finding the Fourth Proportional to 53,626.76, 80,440.16 and 18,547.28

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Solution

The fourth proportional to 53,626.76, 80,440.16 and 18,547.28 is: 27,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,626.76 : 80,440.16 = 18,547.28 : x
  2. Step 2: Convert to fraction form
    53,626.76/80,440.16 = 18,547.28/x
  3. Step 3: Cross multiply
    53,626.76x = 80,440.16 × 18,547.28
  4. Step 4: Simplify right side
    53,626.76x = 1,491,946,170.76
  5. Step 5: Solve for x
    x = 1,491,946,170.76/53,626.76
  6. Step 6: Final answer
    x = 27,820.93

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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.