Home / 25,588.85-35,303.24-15,510.02

Finding the Fourth Proportional to 25,588.85, 35,303.24 and 15,510.02

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Solution

The fourth proportional to 25,588.85, 35,303.24 and 15,510.02 is: 21,398.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,588.85 : 35,303.24 = 15,510.02 : x
  2. Step 2: Convert to fraction form
    25,588.85/35,303.24 = 15,510.02/x
  3. Step 3: Cross multiply
    25,588.85x = 35,303.24 × 15,510.02
  4. Step 4: Simplify right side
    25,588.85x = 547,553,820.72
  5. Step 5: Solve for x
    x = 547,553,820.72/25,588.85
  6. Step 6: Final answer
    x = 21,398.15

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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.