Home / 48,415.04-72,626.18-13,354.40

Finding the Fourth Proportional to 48,415.04, 72,626.18 and 13,354.40

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Solution

The fourth proportional to 48,415.04, 72,626.18 and 13,354.40 is: 20,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,415.04 : 72,626.18 = 13,354.40 : x
  2. Step 2: Convert to fraction form
    48,415.04/72,626.18 = 13,354.40/x
  3. Step 3: Cross multiply
    48,415.04x = 72,626.18 × 13,354.40
  4. Step 4: Simplify right side
    48,415.04x = 969,879,058.19
  5. Step 5: Solve for x
    x = 969,879,058.19/48,415.04
  6. Step 6: Final answer
    x = 20,032.60

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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.