Home / 15,442.02-21,295.17-11,897.46

Finding the Fourth Proportional to 15,442.02, 21,295.17 and 11,897.46

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Solution

The fourth proportional to 15,442.02, 21,295.17 and 11,897.46 is: 16,407.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442.02 : 21,295.17 = 11,897.46 : x
  2. Step 2: Convert to fraction form
    15,442.02/21,295.17 = 11,897.46/x
  3. Step 3: Cross multiply
    15,442.02x = 21,295.17 × 11,897.46
  4. Step 4: Simplify right side
    15,442.02x = 253,358,433.27
  5. Step 5: Solve for x
    x = 253,358,433.27/15,442.02
  6. Step 6: Final answer
    x = 16,407.08

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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.