Home / 14,875.23-20,528.76-9,830.60

Finding the Fourth Proportional to 14,875.23, 20,528.76 and 9,830.60

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Solution

The fourth proportional to 14,875.23, 20,528.76 and 9,830.60 is: 13,566.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.23 : 20,528.76 = 9,830.60 : x
  2. Step 2: Convert to fraction form
    14,875.23/20,528.76 = 9,830.60/x
  3. Step 3: Cross multiply
    14,875.23x = 20,528.76 × 9,830.60
  4. Step 4: Simplify right side
    14,875.23x = 201,810,028.06
  5. Step 5: Solve for x
    x = 201,810,028.06/14,875.23
  6. Step 6: Final answer
    x = 13,566.85

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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.