Home / 16,970.48-25,455.74-5,127.63

Finding the Fourth Proportional to 16,970.48, 25,455.74 and 5,127.63

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Solution

The fourth proportional to 16,970.48, 25,455.74 and 5,127.63 is: 7,691.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,970.48 : 25,455.74 = 5,127.63 : x
  2. Step 2: Convert to fraction form
    16,970.48/25,455.74 = 5,127.63/x
  3. Step 3: Cross multiply
    16,970.48x = 25,455.74 × 5,127.63
  4. Step 4: Simplify right side
    16,970.48x = 130,527,590.46
  5. Step 5: Solve for x
    x = 130,527,590.46/16,970.48
  6. Step 6: Final answer
    x = 7,691.45

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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.