Home / 15,602.04-21,530.40-8,528.52

Finding the Fourth Proportional to 15,602.04, 21,530.40 and 8,528.52

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Solution

The fourth proportional to 15,602.04, 21,530.40 and 8,528.52 is: 11,769.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.04 : 21,530.40 = 8,528.52 : x
  2. Step 2: Convert to fraction form
    15,602.04/21,530.40 = 8,528.52/x
  3. Step 3: Cross multiply
    15,602.04x = 21,530.40 × 8,528.52
  4. Step 4: Simplify right side
    15,602.04x = 183,622,447.01
  5. Step 5: Solve for x
    x = 183,622,447.01/15,602.04
  6. Step 6: Final answer
    x = 11,769.13

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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.