Home / 39,915.18-59,889.78-14,967.18

Finding the Fourth Proportional to 39,915.18, 59,889.78 and 14,967.18

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Solution

The fourth proportional to 39,915.18, 59,889.78 and 14,967.18 is: 22,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,915.18 : 59,889.78 = 14,967.18 : x
  2. Step 2: Convert to fraction form
    39,915.18/59,889.78 = 14,967.18/x
  3. Step 3: Cross multiply
    39,915.18x = 59,889.78 × 14,967.18
  4. Step 4: Simplify right side
    39,915.18x = 896,381,117.42
  5. Step 5: Solve for x
    x = 896,381,117.42/39,915.18
  6. Step 6: Final answer
    x = 22,457.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.