Home / 15,570.64-21,487.50-8,497.08

Finding the Fourth Proportional to 15,570.64, 21,487.50 and 8,497.08

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Solution

The fourth proportional to 15,570.64, 21,487.50 and 8,497.08 is: 11,725.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,570.64 : 21,487.50 = 8,497.08 : x
  2. Step 2: Convert to fraction form
    15,570.64/21,487.50 = 8,497.08/x
  3. Step 3: Cross multiply
    15,570.64x = 21,487.50 × 8,497.08
  4. Step 4: Simplify right side
    15,570.64x = 182,581,006.50
  5. Step 5: Solve for x
    x = 182,581,006.50/15,570.64
  6. Step 6: Final answer
    x = 11,725.98

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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.