Home / 26,915.74-37,140.63-15,585.46

Finding the Fourth Proportional to 26,915.74, 37,140.63 and 15,585.46

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Solution

The fourth proportional to 26,915.74, 37,140.63 and 15,585.46 is: 21,506.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,915.74 : 37,140.63 = 15,585.46 : x
  2. Step 2: Convert to fraction form
    26,915.74/37,140.63 = 15,585.46/x
  3. Step 3: Cross multiply
    26,915.74x = 37,140.63 × 15,585.46
  4. Step 4: Simplify right side
    26,915.74x = 578,853,803.24
  5. Step 5: Solve for x
    x = 578,853,803.24/26,915.74
  6. Step 6: Final answer
    x = 21,506.14

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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.