Home / 18,420.84-25,417.26-10,460.16

Finding the Fourth Proportional to 18,420.84, 25,417.26 and 10,460.16

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Solution

The fourth proportional to 18,420.84, 25,417.26 and 10,460.16 is: 14,433.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,420.84 : 25,417.26 = 10,460.16 : x
  2. Step 2: Convert to fraction form
    18,420.84/25,417.26 = 10,460.16/x
  3. Step 3: Cross multiply
    18,420.84x = 25,417.26 × 10,460.16
  4. Step 4: Simplify right side
    18,420.84x = 265,868,606.36
  5. Step 5: Solve for x
    x = 265,868,606.36/18,420.84
  6. Step 6: Final answer
    x = 14,433.03

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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.