Home / 19,240.04-26,543.76-12,956.60

Finding the Fourth Proportional to 19,240.04, 26,543.76 and 12,956.60

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Solution

The fourth proportional to 19,240.04, 26,543.76 and 12,956.60 is: 17,875.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240.04 : 26,543.76 = 12,956.60 : x
  2. Step 2: Convert to fraction form
    19,240.04/26,543.76 = 12,956.60/x
  3. Step 3: Cross multiply
    19,240.04x = 26,543.76 × 12,956.60
  4. Step 4: Simplify right side
    19,240.04x = 343,916,880.82
  5. Step 5: Solve for x
    x = 343,916,880.82/19,240.04
  6. Step 6: Final answer
    x = 17,875.06

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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.