Home / 18,922.04-26,107.81-12,461.01

Finding the Fourth Proportional to 18,922.04, 26,107.81 and 12,461.01

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Solution

The fourth proportional to 18,922.04, 26,107.81 and 12,461.01 is: 17,193.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922.04 : 26,107.81 = 12,461.01 : x
  2. Step 2: Convert to fraction form
    18,922.04/26,107.81 = 12,461.01/x
  3. Step 3: Cross multiply
    18,922.04x = 26,107.81 × 12,461.01
  4. Step 4: Simplify right side
    18,922.04x = 325,329,681.49
  5. Step 5: Solve for x
    x = 325,329,681.49/18,922.04
  6. Step 6: Final answer
    x = 17,193.16

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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.