Home / 18,417.06-25,415.72-10,459.45

Finding the Fourth Proportional to 18,417.06, 25,415.72 and 10,459.45

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Solution

The fourth proportional to 18,417.06, 25,415.72 and 10,459.45 is: 14,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,417.06 : 25,415.72 = 10,459.45 : x
  2. Step 2: Convert to fraction form
    18,417.06/25,415.72 = 10,459.45/x
  3. Step 3: Cross multiply
    18,417.06x = 25,415.72 × 10,459.45
  4. Step 4: Simplify right side
    18,417.06x = 265,834,452.55
  5. Step 5: Solve for x
    x = 265,834,452.55/18,417.06
  6. Step 6: Final answer
    x = 14,434.14

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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.