Home / 12,900.01-19,358.65-4,692.01

Finding the Fourth Proportional to 12,900.01, 19,358.65 and 4,692.01

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Solution

The fourth proportional to 12,900.01, 19,358.65 and 4,692.01 is: 7,041.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900.01 : 19,358.65 = 4,692.01 : x
  2. Step 2: Convert to fraction form
    12,900.01/19,358.65 = 4,692.01/x
  3. Step 3: Cross multiply
    12,900.01x = 19,358.65 × 4,692.01
  4. Step 4: Simplify right side
    12,900.01x = 90,830,979.39
  5. Step 5: Solve for x
    x = 90,830,979.39/12,900.01
  6. Step 6: Final answer
    x = 7,041.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.