Home / 39,790.88-59,686-14,830.08

Finding the Fourth Proportional to 39,790.88, 59,686 and 14,830.08

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Solution

The fourth proportional to 39,790.88, 59,686 and 14,830.08 is: 22,245.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,790.88 : 59,686 = 14,830.08 : x
  2. Step 2: Convert to fraction form
    39,790.88/59,686 = 14,830.08/x
  3. Step 3: Cross multiply
    39,790.88x = 59,686 × 14,830.08
  4. Step 4: Simplify right side
    39,790.88x = 885,148,154.88
  5. Step 5: Solve for x
    x = 885,148,154.88/39,790.88
  6. Step 6: Final answer
    x = 22,245.00

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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.