Home / 25,153.37-37,731.21-17,790.70

Finding the Fourth Proportional to 25,153.37, 37,731.21 and 17,790.70

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Solution

The fourth proportional to 25,153.37, 37,731.21 and 17,790.70 is: 26,686.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,153.37 : 37,731.21 = 17,790.70 : x
  2. Step 2: Convert to fraction form
    25,153.37/37,731.21 = 17,790.70/x
  3. Step 3: Cross multiply
    25,153.37x = 37,731.21 × 17,790.70
  4. Step 4: Simplify right side
    25,153.37x = 671,264,547.45
  5. Step 5: Solve for x
    x = 671,264,547.45/25,153.37
  6. Step 6: Final answer
    x = 26,686.86

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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.