Home / 18,973.64-26,185.04-10,477.40

Finding the Fourth Proportional to 18,973.64, 26,185.04 and 10,477.40

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Solution

The fourth proportional to 18,973.64, 26,185.04 and 10,477.40 is: 14,459.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,973.64 : 26,185.04 = 10,477.40 : x
  2. Step 2: Convert to fraction form
    18,973.64/26,185.04 = 10,477.40/x
  3. Step 3: Cross multiply
    18,973.64x = 26,185.04 × 10,477.40
  4. Step 4: Simplify right side
    18,973.64x = 274,351,138.10
  5. Step 5: Solve for x
    x = 274,351,138.10/18,973.64
  6. Step 6: Final answer
    x = 14,459.59

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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.