Home / 14,838.04-20,477.08-8,123.28

Finding the Fourth Proportional to 14,838.04, 20,477.08 and 8,123.28

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Solution

The fourth proportional to 14,838.04, 20,477.08 and 8,123.28 is: 11,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,838.04 : 20,477.08 = 8,123.28 : x
  2. Step 2: Convert to fraction form
    14,838.04/20,477.08 = 8,123.28/x
  3. Step 3: Cross multiply
    14,838.04x = 20,477.08 × 8,123.28
  4. Step 4: Simplify right side
    14,838.04x = 166,341,054.42
  5. Step 5: Solve for x
    x = 166,341,054.42/14,838.04
  6. Step 6: Final answer
    x = 11,210.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.