Home / 39,975.93-59,898.28-13,666.32

Finding the Fourth Proportional to 39,975.93, 59,898.28 and 13,666.32

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Solution

The fourth proportional to 39,975.93, 59,898.28 and 13,666.32 is: 20,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.93 : 59,898.28 = 13,666.32 : x
  2. Step 2: Convert to fraction form
    39,975.93/59,898.28 = 13,666.32/x
  3. Step 3: Cross multiply
    39,975.93x = 59,898.28 × 13,666.32
  4. Step 4: Simplify right side
    39,975.93x = 818,589,061.93
  5. Step 5: Solve for x
    x = 818,589,061.93/39,975.93
  6. Step 6: Final answer
    x = 20,477.05

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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.