Home / 14,405.60-21,595.08-9,124.64

Finding the Fourth Proportional to 14,405.60, 21,595.08 and 9,124.64

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Solution

The fourth proportional to 14,405.60, 21,595.08 and 9,124.64 is: 13,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405.60 : 21,595.08 = 9,124.64 : x
  2. Step 2: Convert to fraction form
    14,405.60/21,595.08 = 9,124.64/x
  3. Step 3: Cross multiply
    14,405.60x = 21,595.08 × 9,124.64
  4. Step 4: Simplify right side
    14,405.60x = 197,047,222.80
  5. Step 5: Solve for x
    x = 197,047,222.80/14,405.60
  6. Step 6: Final answer
    x = 13,678.52

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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.