Home / 36,907.48-55,328.31-13,528.45

Finding the Fourth Proportional to 36,907.48, 55,328.31 and 13,528.45

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Solution

The fourth proportional to 36,907.48, 55,328.31 and 13,528.45 is: 20,280.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,907.48 : 55,328.31 = 13,528.45 : x
  2. Step 2: Convert to fraction form
    36,907.48/55,328.31 = 13,528.45/x
  3. Step 3: Cross multiply
    36,907.48x = 55,328.31 × 13,528.45
  4. Step 4: Simplify right side
    36,907.48x = 748,506,275.42
  5. Step 5: Solve for x
    x = 748,506,275.42/36,907.48
  6. Step 6: Final answer
    x = 20,280.61

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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.