Home / 34,254.61-47,271.64-19,147.91

Finding the Fourth Proportional to 34,254.61, 47,271.64 and 19,147.91

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Solution

The fourth proportional to 34,254.61, 47,271.64 and 19,147.91 is: 26,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,254.61 : 47,271.64 = 19,147.91 : x
  2. Step 2: Convert to fraction form
    34,254.61/47,271.64 = 19,147.91/x
  3. Step 3: Cross multiply
    34,254.61x = 47,271.64 × 19,147.91
  4. Step 4: Simplify right side
    34,254.61x = 905,153,108.27
  5. Step 5: Solve for x
    x = 905,153,108.27/34,254.61
  6. Step 6: Final answer
    x = 26,424.27

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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.