Home / 18,598.12-25,666.02-10,215.40

Finding the Fourth Proportional to 18,598.12, 25,666.02 and 10,215.40

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Solution

The fourth proportional to 18,598.12, 25,666.02 and 10,215.40 is: 14,097.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,598.12 : 25,666.02 = 10,215.40 : x
  2. Step 2: Convert to fraction form
    18,598.12/25,666.02 = 10,215.40/x
  3. Step 3: Cross multiply
    18,598.12x = 25,666.02 × 10,215.40
  4. Step 4: Simplify right side
    18,598.12x = 262,188,660.71
  5. Step 5: Solve for x
    x = 262,188,660.71/18,598.12
  6. Step 6: Final answer
    x = 14,097.59

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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.