Home / 25,818.04-38,722.45-16,430.20

Finding the Fourth Proportional to 25,818.04, 38,722.45 and 16,430.20

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Solution

The fourth proportional to 25,818.04, 38,722.45 and 16,430.20 is: 24,642.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,818.04 : 38,722.45 = 16,430.20 : x
  2. Step 2: Convert to fraction form
    25,818.04/38,722.45 = 16,430.20/x
  3. Step 3: Cross multiply
    25,818.04x = 38,722.45 × 16,430.20
  4. Step 4: Simplify right side
    25,818.04x = 636,217,597.99
  5. Step 5: Solve for x
    x = 636,217,597.99/25,818.04
  6. Step 6: Final answer
    x = 24,642.37

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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.