Home / 14,206.48-21,309.76-4,970.32

Finding the Fourth Proportional to 14,206.48, 21,309.76 and 4,970.32

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Solution

The fourth proportional to 14,206.48, 21,309.76 and 4,970.32 is: 7,455.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,206.48 : 21,309.76 = 4,970.32 : x
  2. Step 2: Convert to fraction form
    14,206.48/21,309.76 = 4,970.32/x
  3. Step 3: Cross multiply
    14,206.48x = 21,309.76 × 4,970.32
  4. Step 4: Simplify right side
    14,206.48x = 105,916,326.32
  5. Step 5: Solve for x
    x = 105,916,326.32/14,206.48
  6. Step 6: Final answer
    x = 7,455.49

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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.