Home / 25,983.02-38,984.82-13,510.91

Finding the Fourth Proportional to 25,983.02, 38,984.82 and 13,510.91

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Solution

The fourth proportional to 25,983.02, 38,984.82 and 13,510.91 is: 20,271.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,983.02 : 38,984.82 = 13,510.91 : x
  2. Step 2: Convert to fraction form
    25,983.02/38,984.82 = 13,510.91/x
  3. Step 3: Cross multiply
    25,983.02x = 38,984.82 × 13,510.91
  4. Step 4: Simplify right side
    25,983.02x = 526,720,199.46
  5. Step 5: Solve for x
    x = 526,720,199.46/25,983.02
  6. Step 6: Final answer
    x = 20,271.71

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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.