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Finding the Fourth Proportional to 14,762,316.80, 22,124,812.80 and 13,157,350.40

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Solution

The fourth proportional to 14,762,316.80, 22,124,812.80 and 13,157,350.40 is: 19,719,392.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,762,316.80 : 22,124,812.80 = 13,157,350.40 : x
  2. Step 2: Convert to fraction form
    14,762,316.80/22,124,812.80 = 13,157,350.40/x
  3. Step 3: Cross multiply
    14,762,316.80x = 22,124,812.80 × 13,157,350.40
  4. Step 4: Simplify right side
    14,762,316.80x = 291,103,914,544,005.12
  5. Step 5: Solve for x
    x = 291,103,914,544,005.12/14,762,316.80
  6. Step 6: Final answer
    x = 19,719,392.19

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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.