Home / 30,282.01-45,430.29-9,505.51

Finding the Fourth Proportional to 30,282.01, 45,430.29 and 9,505.51

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Solution

The fourth proportional to 30,282.01, 45,430.29 and 9,505.51 is: 14,260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,282.01 : 45,430.29 = 9,505.51 : x
  2. Step 2: Convert to fraction form
    30,282.01/45,430.29 = 9,505.51/x
  3. Step 3: Cross multiply
    30,282.01x = 45,430.29 × 9,505.51
  4. Step 4: Simplify right side
    30,282.01x = 431,838,075.90
  5. Step 5: Solve for x
    x = 431,838,075.90/30,282.01
  6. Step 6: Final answer
    x = 14,260.55

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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.