Home / 19,130.16-28,706.58-10,364.88

Finding the Fourth Proportional to 19,130.16, 28,706.58 and 10,364.88

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Solution

The fourth proportional to 19,130.16, 28,706.58 and 10,364.88 is: 15,553.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.16 : 28,706.58 = 10,364.88 : x
  2. Step 2: Convert to fraction form
    19,130.16/28,706.58 = 10,364.88/x
  3. Step 3: Cross multiply
    19,130.16x = 28,706.58 × 10,364.88
  4. Step 4: Simplify right side
    19,130.16x = 297,540,256.91
  5. Step 5: Solve for x
    x = 297,540,256.91/19,130.16
  6. Step 6: Final answer
    x = 15,553.46

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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.