Home / 19,247.04-28,840.32-14,875.20

Finding the Fourth Proportional to 19,247.04, 28,840.32 and 14,875.20

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Solution

The fourth proportional to 19,247.04, 28,840.32 and 14,875.20 is: 22,289.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.04 : 28,840.32 = 14,875.20 : x
  2. Step 2: Convert to fraction form
    19,247.04/28,840.32 = 14,875.20/x
  3. Step 3: Cross multiply
    19,247.04x = 28,840.32 × 14,875.20
  4. Step 4: Simplify right side
    19,247.04x = 429,005,528.06
  5. Step 5: Solve for x
    x = 429,005,528.06/19,247.04
  6. Step 6: Final answer
    x = 22,289.43

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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.