Home / 42,692.14-64,038.07-11,527.39

Finding the Fourth Proportional to 42,692.14, 64,038.07 and 11,527.39

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Solution

The fourth proportional to 42,692.14, 64,038.07 and 11,527.39 is: 17,291.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,692.14 : 64,038.07 = 11,527.39 : x
  2. Step 2: Convert to fraction form
    42,692.14/64,038.07 = 11,527.39/x
  3. Step 3: Cross multiply
    42,692.14x = 64,038.07 × 11,527.39
  4. Step 4: Simplify right side
    42,692.14x = 738,191,807.74
  5. Step 5: Solve for x
    x = 738,191,807.74/42,692.14
  6. Step 6: Final answer
    x = 17,291.05

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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.