Home / 13,156.02-19,638.05-11,495.25

Finding the Fourth Proportional to 13,156.02, 19,638.05 and 11,495.25

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Solution

The fourth proportional to 13,156.02, 19,638.05 and 11,495.25 is: 17,159.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156.02 : 19,638.05 = 11,495.25 : x
  2. Step 2: Convert to fraction form
    13,156.02/19,638.05 = 11,495.25/x
  3. Step 3: Cross multiply
    13,156.02x = 19,638.05 × 11,495.25
  4. Step 4: Simplify right side
    13,156.02x = 225,744,224.81
  5. Step 5: Solve for x
    x = 225,744,224.81/13,156.02
  6. Step 6: Final answer
    x = 17,159.01

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.