Home / 22,930.02-31,657.23-14,985.54

Finding the Fourth Proportional to 22,930.02, 31,657.23 and 14,985.54

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Solution

The fourth proportional to 22,930.02, 31,657.23 and 14,985.54 is: 20,689.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,930.02 : 31,657.23 = 14,985.54 : x
  2. Step 2: Convert to fraction form
    22,930.02/31,657.23 = 14,985.54/x
  3. Step 3: Cross multiply
    22,930.02x = 31,657.23 × 14,985.54
  4. Step 4: Simplify right side
    22,930.02x = 474,400,686.45
  5. Step 5: Solve for x
    x = 474,400,686.45/22,930.02
  6. Step 6: Final answer
    x = 20,689.07

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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.