Home / 18,417.31-25,416.06-10,459.70

Finding the Fourth Proportional to 18,417.31, 25,416.06 and 10,459.70

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Solution

The fourth proportional to 18,417.31, 25,416.06 and 10,459.70 is: 14,434.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,417.31 : 25,416.06 = 10,459.70 : x
  2. Step 2: Convert to fraction form
    18,417.31/25,416.06 = 10,459.70/x
  3. Step 3: Cross multiply
    18,417.31x = 25,416.06 × 10,459.70
  4. Step 4: Simplify right side
    18,417.31x = 265,844,362.78
  5. Step 5: Solve for x
    x = 265,844,362.78/18,417.31
  6. Step 6: Final answer
    x = 14,434.49

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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.