Home / 28,599.60-39,461.63-18,526.64

Finding the Fourth Proportional to 28,599.60, 39,461.63 and 18,526.64

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Solution

The fourth proportional to 28,599.60, 39,461.63 and 18,526.64 is: 25,563.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,599.60 : 39,461.63 = 18,526.64 : x
  2. Step 2: Convert to fraction form
    28,599.60/39,461.63 = 18,526.64/x
  3. Step 3: Cross multiply
    28,599.60x = 39,461.63 × 18,526.64
  4. Step 4: Simplify right side
    28,599.60x = 731,091,557.79
  5. Step 5: Solve for x
    x = 731,091,557.79/28,599.60
  6. Step 6: Final answer
    x = 25,563.00

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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.